# Medicare Program; Changes to the Hospital Outpatient Prospective Payment System and Calendar Year 2003 Payment Rates; and Changes to Payment Suspension for Unfiled Cost Reports

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URL: https://www.frixlaw.com/law-library/documents/fr%3A02-20146

## Record

- **Collection:** Federal Register
- **Document type:** Proposed Rule
- **Published:** August 9, 2002
- **Citation:** 67 FR 52092

## Text

DEPARTMENT OF HEALTH AND HUMAN SERVICES
Centers for Medicare & Medicaid Services
42 CFR Parts 405, 410 and 419
[CMS-1206-P]
RIN 0938-AL19
Medicare Program; Changes to the Hospital Outpatient Prospective Payment System and Calendar Year 2003 Payment Rates; and Changes to Payment Suspension for Unfiled Cost Reports

AGENCY:

Centers for Medicare & Medicaid Services (CMS), HHS.

ACTION:

Proposed rule.

SUMMARY:

This proposed rule would revise the Medicare hospital outpatient prospective payment system to implement applicable statutory requirements and changes arising from our continuing experience with this system. In addition, it would describe proposed changes to the amounts and factors used to determine the payment rates for Medicare hospital outpatient services paid under the prospective payment system. These changes would be applicable to services furnished on or after January 1, 2003. In addition, this rule proposes to allow the Secretary to suspend Medicare payments “in whole or in part” if a provider fails to file a timely and acceptable cost report.

DATES:

We will consider comments if we receive them at the appropriate address, as provided below, no later than 5 p.m. on October 8, 2002.

ADDRESSES:

In commenting, please refer to file code CMS-1206-P. Because of staff and resource limitations, we cannot accept comments by facsimile (FAX) transmission. Mail written comments (one original and two copies) to the following address ONLY: Centers for Medicare & Medicaid Services, Department of Health and Human Services, Attention: CMS-1206-P, P.O. Box 8018, Baltimore, MD 21244-8018.

Please allow sufficient time for mailed comments to be timely received in the event of delivery delays.

If you prefer, you may deliver (by hand or courier) your written comments (one original and two copies) to one of the following addresses:

Room 445-G, Hubert H. Humphrey Building, 200 Independence Avenue, SW., Washington, DC 20201, or

Room C5-14-03, 7500 Security Boulevard, Baltimore, MD 21244-1850.

(Because access to the interior of the HHH Building is not readily available to persons without Federal Government identification, commenters are encouraged to leave their comments in the CMS drop slots located in the main lobby of the building. A stamp-in clock is available for persons wishing to retain a proof of filing by stamping in and retaining an extra copy of the comments being filed.)

Comments mailed to the addresses indicated as appropriate for hand or courier delivery may be delayed and could be considered late.

For information on viewing public comments, see the beginning of the
SUPPLEMENTARY INFORMATION
section.

FOR FURTHER INFORMATION CONTACT:

Anita Heygster, (410) 786-0378—outpatient prospective payment issues; Lana Price, (410) 786-4533—partial hospitalization and ESRD; Gerald Walters, (410) 786-2070—payment suspension issues.

SUPPLEMENTARY INFORMATION:

Inspection of Public Comments:
Comments received timely will be available for public inspection as they are received, generally beginning approximately 3 weeks after publication of a document, at the headquarters of the Centers for Medicare & Medicaid Services, 7500 Security Boulevard, Baltimore, Maryland 21244, Monday through Friday of each week from 8:30 a.m. to 4 p.m. To schedule an appointment to view public comments, call (410) 786-7197.

Availability of Copies and Electronic Access

Copies:
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This
Federal Register
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online database through
GPO Access,
a service of the U.S. Government Printing Office. The web site address is:
http://www.access.gpo.gov/nara/index.html.

To assist readers in referencing sections contained in this document, we are providing the following table of contents.

Outline of Contents

Comparison of Proposed 2003 Payment Rates to 2002 Payment Rates

I. Background

A. Authority for the Outpatient Prospective Payment System

B. Summary of Rulemaking for the Outpatient Prospective Payment System

C. Authority for Payment Suspension for Unfiled Cost Reports

D. Summary of Payment Suspension for Unfiled Cost Reports

II. Proposed Changes to the Ambulatory Payment Classification (APC) Groups and Relative Weights

A. Recommendations of the Advisory Panel on APC Groups

1. Establishment of the Advisory Panel

2. General Issues Considered by the Advisory Panel

3. Recommendations of the Advisory Panel and Our Responses

B. Other Changes Affecting the APCs

1. Limit on Variation of Costs of Services Classified Within a Group

2. Procedures Moved from New Technology APCs to Clinically Appropriate APCs

3. APC Assignment for New Codes Created During 2002

4. Recalibration of Weights for 2003

a. Data Issues

(1) Treatment of “Multiple Procedure” Claims

(2) Calendar Year 2002 Charge Data for Pass-Through Device Categories

b. Description of How Weights Were Calculated for 2003

5. Procedures That Will Be Paid Only As Inpatient Procedures

C. Partial Hospitalization

III. Transitional Pass-Through and Related Payment Issues

A. Background

B. Discussion of Pro Rata Reduction

C. Expiration of Transitional Pass-Through Payments in Calendar Year 2003

1. Devices

2. Drugs and Biologicals (Including Radiopharmaceuticals, Blood, and Blood Products)

3. Brachytherapy

D. Criteria for New Device Categories

E. Payment for Transitional Pass-Through Drugs and Biologicals for Calendar Year 2003

IV. Wage Index Changes for Calendar Year 2003

V. Copayment for Calendar Year 2003

VI. Conversion Factor Update for Calendar Year 2003

VII. Outlier Policy for Calendar Year 2003

VIII. Other Policy Decisions and Proposed Changes

A. Hospital Coding for Evaluation and Management (E/M) Services

B. Observation Services

C. Payment Policy When A Surgical Procedure on the Inpatient List Is Performed on an Emergency Basis

1. Current Policy

2. Hospital Concerns

3. Clarification of Payment Policy

4. Orders to Admit

D. Status Indicators

E. Other Policy Issues Relating to Pass-Through Device Categories

1. Reducing Transitional Pass-Through Payments To Offset Costs Packaged Into APC Groups

2. Devices Paid With Multiple Procedures

F. Outpatient Billing for Dialysis

IX. Summary of and Responses to MedPAC Recommendations

X. Summary of Proposed Changes for 2003

A. Changes Required by Statute

B. Additional Changes to OPPS and Payment Suspension Provisons

C. Changes to the Regulations Text

XI. Summary of Proposed Payment Suspension Provisions

XII. Collection of Information Requirements

XIII. Response to Public Comments

XIV. Regulatory Impact Analysis

A. OPPS

1. General

2. Changes in this Proposed Rule

3. Limitations of Our Analysis

4. Estimated Impacts of this Proposed Rule

5. Projected Distribution of Outlier Payments

B. Payment Suspension for Unfiled Cost Reports Regulations Text

Addenda

Addendum A—List of Ambulatory Payment Classifications (APCs) with Status Indicators, Relative Weights, Payment Rates, and Copayment Amounts

Addendum B—Payment Status by HCPCS Code, and Related Information

Addendum C—Hospital Outpatient Payment for Procedures by APC: Displayed on Website Only

Addendum D—Payment Status Indicators for the Hospital Outpatient Prospective Payment System

Addendum E—CPT Codes That Would Be Paid Only As Inpatient Procedures

Addendum H—Wage Index for Urban Areas

Addendum I—Wage Index for Rural Areas

Addendum J—Wage Index for Hospitals That Are Reclassified

Alphabetical List of Acronyms Appearing in the Proposed Rule

ACEP American College of Emergency Physicians

AMA American Medical Association

APC Ambulatory payment classification

AWP Average wholesale price

BBA Balanced Budget Act of 1997

BIPA Medicare, Medicaid, and SCHIP Benefits Improvement and Protection Act of 2000

BBRA Balanced Budget Refinement Act of 1999

CCR Cost center specific cost-to-charge ratio

CMHC Community mental health center

CMS Centers for Medicare & Medicaid Services (Formerly known as the Health Care Financing Administration)

CPT (Physician's) Current Procedural Terminology, Fourth Edition, 2002, copyrighted by the American Medical Association

CSW Clinical social worker

CY Calendar year

DRG Diagnosis-related group

DSH Disproportionate Share Hospital

EACH Essential Access Community Hospital

E/M Evaluation and management

ERCP Endoscopic retrograde cholangiopancreatography

ESRD End-stage renal disease

FACA Federal Advisory Committee Act

FY Federal fiscal year

HCPCS Healthcare Common Procedure Coding System

HIPAA Health Insurance Portability and Accountability Act of 1996

ICU Intensive care unit

ICD-9-CM International Classification of Diseases, Ninth Edition, Clinical Modification

IME Indirect Medical Education

IPPS (Hospital) inpatient prospective payment system

LTC Long Term Care

MedPAC Medicare Payment Advisory Commission

MDH Medicare Dependent Hospital

MSA Metropolitan statistical area

NECMA New England County Metropolitan Area

OCE Outpatient code editor

OMB Office of Management and Budget

OPD (Hospital) outpatient department

OPPS (Hospital) outpatient prospective payment system

OT Occupational therapist

PHP Partial hospitalization program

PPS Prospective payment system

PPV Pneumococcal pneumonia (virus)

PRA Paperwork Reduction Act

RFA Regulatory Flexibility Act

RRC Rural Referral Center

RVUs Relative value units

SCH Sole Community Hospital

TEFRA Tax Equity and Fiscal Responsibility Act

USPDI United States Pharmacopoeia Drug Information

Comparison of Proposed 2003 Payment Rates to 2002 Payment Rates

The outpatient pass-through provisions of the BBRA and BIPA have been exceptionally difficult to implement, arguably the most complex and difficult in the history of the Medicare program. In CY 2002, the pass-through payments, and the APC rates were calculated on the best information available. This was often manufacturer list prices, which may not reflect not actual prices paid by hospitals. For CY 2003, far more data is available on the actual charges for hospital OPDs, and these are reflected in the rates in this proposed rule. In many cases these new rates are significantly different from CY 2003 rates, but they are based on actual hospital charges, and on far more complete data than were the CY 2002 rates. Nevertheless, CMS is actively seeking comment on all aspects of these rates, given the significant changes in the proposed rule, and the agency is open to making changes, perhaps significant, in the final rule based on comments.

The 2003 payment rates proposed in this proposed rule are, for many items and services, significantly higher or lower than the payment rates for the same items and services for 2002, particularly for APCs which use medical devices, and for APCs for drugs that will no longer be eligible for pass-through status in 2003 and paid under separate APCs. Some proposed payments for 2003 are far lower than the 2002 payment amounts (and some are higher).

For example, as can be seen in Addenda A, the proposed rate for APC 0108 (Insertion/Replacement/Repair of Cardioverter-Defibrilator Leads) shows a dramatic decrease in payment compared to the 2002 rate. This reduction for a number of APCs is of concern to us because of the potential impact on access to care. We invite public comment and suggestions on how to address the potential for adverse impact of these proposed changes.

The proposed 2003 payment rates reflect the use of updated data, as required by the statute, in calculating payment rates in accordance with the methodologies set forth in the statute and regulations. The proposed payment rates reflect mathematical calculations based on the latest available program data.

Our goal in this proposed rule is to explain the methodology and to solicit comments on our rate-setting methods and the effect on beneficiary access, provider participation and the fiscal integrity of the Medicare Trust Fund.

Devices

We believe that there are several factors that may explain the differences between the proposed payment amounts for 2003 and the payment amounts for 2002 (some, but not all of which, are significant).

First, we believe that the payment rates for the device related procedures for 2002 may in some cases have been higher than they would have been had actual hospital acquisition cost data been available for us to use. Specifically, because we lacked hospitals' cost data for devices, we used the best data available to us at the time which was manufacturer data regarding the hospitals' acquisition costs in providing the devices. We assumed that a device would be provided with a related procedure and packaged 75 percent of these manufacturer estimated

costs for the devices into the APCs for the procedures.

The costs that we packaged in for some devices may have been higher than actual hospital acquisition costs. The differences between the 2002 payment rate and the lower 2003 proposed payments are based on our data sources. While the 2003 rates are based on 2001 hospital claims and the latest available cost report data, the 2002 rates are based on manufacturer data for devices. We use charges on the hospital claims data to estimate hospital costs. We apply hospital-specific, department-specific cost-to-charge ratios (CCRs) from each provider's most recently submitted cost report to the charges to develop the estimate of costs. In most cases, the provider's most recently submitted cost report is from fiscal year 1999. An adjustment factor is applied in developing CCRs for cost reports that have not yet been settled, so that the CCRs will more closely reflect CCRs from a settled cost report.

Second, there may be problems in the data, particularly for coding of devices in 2001. As discussed later in this preamble, devices were to be coded using device specific C codes from the start of the OPPS on August 1, 2000 until the law changes required that we establish category codes by April 1, 2001. We then granted a grace period until July 1, 2001, during which we accepted both device specific codes and category codes. During a Town Hall meeting with the public on April 5, 2001, and in other contacts with hospitals (such as the open forum calls and visits to hospitals) we have been told that hospitals had difficulty in submitting proper HCPCS coding for services and for devices once OPPS began and that, in many cases, they did not bill for devices for which they should have claimed payment.

In some cases, hospitals were confused by the change from device specific codes to category codes; in other cases, the use of HCPCS codes was new and they had a long learning curve to learn how to use HCPCS codes. Our initial data analysis suggested that hospitals may not have billed for the devices using the device or category codes in all cases. If the charges were not on the claim, they would not have been picked up for calculation of the median cost for the service and the associated device, possibly resulting in a proposed payment rate for the APC that is inappropriately low and other rates that are inappropriately too high. However, based on our analysis which is described later, we believe that hospitals often showed the charges for the devices in the applicable revenue centers (such as, supplies) and that the charges for the devices often were on the claim, even if the HCPCS code was not.

We welcome public comments regarding these issues for these payment changes and proposals regarding how problems with claims data could be rectified for development of the final rule.

Drugs

As discussed later in this preamble, we propose to package the costs for lower cost drugs into the payment for the APC in which they are used and to pay specialty drugs and high cost drugs under separate APCs. Some of the APCs for separately paid drugs also show significant reductions in payments compared to the pass-through payments made in 2002. Several factors may help place these decreases in perspective.

These changes result largely because the payment method for items in transitional pass-through payment status differs significantly from other services paid under the OPPS, and as items lose transitional pass-through payment status they are subject to a different payment method. In particular, a drug in transitional pass-through payment status is paid based on 95 percent of the average wholesale price for the drug, possibly subject to a uniform reduction.
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In 2002, we apply a uniform reduction to the transitional pass-through portion of payments for drugs with transitional pass-through status. As a result, the OPPS now pays hospitals about 72 percent of AWP for drugs in this status. The uniform reduction, as discussed in the March 1, 2002 final rule, is to comply with section 1833(t)(6)(E) of the Act, which limits the total projected amount of transitional pass-through payments for 2002 to 2.5 percent of projected total payments under the OPPS in 2002.

In contrast, a drug not in transitional pass-through status is paid as are other services under the OPPS. The statute provides that services (other than transitional pass-through items) be paid on the basis of a service-specific relative weight multiplied by a conversion factor. The relative weight is determined based on the median hospital cost, where the cost on each claim is derived by multiplying the submitting hospital's charge by a cost-to-charge ratio (determined from the hospital's latest submitted cost report, usually from fiscal year 1999). We anticipate that a hospital's charges on particular services reflect, at least in relative terms, the hospital's resource use in providing that service.

Per the statute, the conversion factor was set at the initiation of the system to achieve budget neutrality relative to the prior system; it is updated each year by the rate of increase in the hospital market basket. This mechanism does reflect changes in input costs from the initial base, but the system is not rebased to reflect the absolute level of such costs.

This payment method was not intended to assure that hospitals, even on average, are reimbursed costs of particular services. In fact, because the conversion factor was calibrated to reflect prior reductions in hospital operating and capital costs that were built into the baseline for overall program expenditures, the OPPS is not set to pay full costs to hospitals.
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2
In fact, because of the effect of prior statutory reductions in payments, the OPPS system was calibrated at its initiation to pay only about 82 percent of hospital costs in the aggregate.

Further, nothing in the payment method prescribed by the statute requires or anticipates that hospitals would be reimbursed full costs of purchased inputs such as drugs, just as it does not anticipate that hospitals would be reimbursed for the full cost of any other services they deliver.

The payment methods are set out in section 1833(t) of the Act. This section does not permit continuation of a pass-through payment (at 95 percent of AWP or some other level) for drugs losing their transitional pass-through status. This section permits the Secretary to specify APC groupings, and we are proposing in 2003 to continue to pay separately for certain drugs that had transitional pass-through status in 2002 and that are no longer eligible for pass-through status in 2003. These drugs would be in separate APCs, rather than being packaged into other, procedure-related APCs; the payment method would be the same relative-weight payment method used for other APCs.

The resulting payment rates incorporate the best evidence we have regarding what hospitals charged in 2001. They may diverge, however, from payment rates based on the AWP, including those in use for 2002. As is discussed above, movement from pass-through payment rates to relative-weight based payment rates would be expected to lead to decreases in payments, even if AWP represented a reliable measure of hospital acquisition costs (As discussed above, we use hospital charges and hospital-specific, department-specific cost-to-charge ratios to estimate hospital costs. In most cases, cost-to-charge ratios are derived from 1999 cost reports).

However, we believe this outcome is also be due to deficiencies in AWP as a measure of hospital acquisition costs. AWP is not an accurate estimate of what

providers actually pay for drugs. Studies undertaken over the past decade by the Office of the Inspector General, the Department of Justice, and the General Accounting Office that compare AWP with actual drug acquisition costs have consistently shown that published AWPs considerably exceed these costs (See “MEDICARE Payments for Covered Outpatient Drugs Exceed Providers’ Costs”, GAO-01-1118). Therefore, it is to be expected that the proposed 2003 APC payment rates based on median hospital costs for these drugs will be lower than the 2002 payment rates for the same drugs that are based on AWP. The Administration has repeatedly stated its view that AWP inaccurately represents actual market pricing. The pass-through system pays based on AWP, creating further incentives for artificially high AWP listings. We believe the steep reductions in some drug prices reflect these incentives, and that the new rates more accurately reflect the actual acquisition costs for hospitals pay. Still, we are interested in soliciting comments on these costs, and the mechanisms to identify them.

I. Background

A. Authority for the Outpatient Prospective Payment System

When the Medicare statute was originally enacted, Medicare payment for hospital outpatient services was based on hospital-specific costs. In an effort to ensure that Medicare and its beneficiaries pay appropriately for services and to encourage more efficient delivery of care, the Congress mandated replacement of the cost-based payment methodology with a prospective payment system (PPS). The Balanced Budget Act of 1997 (BBA) (Pub. L. 105-33), enacted on August 5, 1997, added section 1833(t) to the Social Security Act (the Act) authorizing implementation of a PPS for hospital outpatient services. The Balanced Budget Refinement Act of 1999 (BBRA) (Pub. L. 106-113), enacted on November 29, 1999, made major changes that affected the hospital outpatient PPS (OPPS). The Medicare, Medicaid, and SCHIP Benefits Improvement and Protection Act of 2000 (BIPA) (Pub. L. 106-554), enacted on December 21, 2000, made further changes in the OPPS. The OPPS was first implemented for services furnished on or after August 1, 2000.

B. Summary of Rulemaking for the Outpatient Prospective System

• On September 8, 1998, we published a proposed rule (63 FR 47552) to establish in regulations a PPS for hospital outpatient services, to eliminate the formula-driven overpayment for certain hospital outpatient services, and to extend reductions in payment for costs of hospital outpatient services. On June 30, 1999, we published a correction notice (64 FR 35258) to correct a number of technical and typographic errors in the September 1998 proposed rule including the proposed amounts and factors used to determine the payment rates.

• On April 7, 2000, we published a final rule with comment period (65 FR 18434) that addressed the provisions of the PPS for hospital outpatient services scheduled to be effective for services furnished on or after July 1, 2000. Under this system, Medicare payment for hospital outpatient services included in the PPS is made at a predetermined, specific rate. These outpatient services are classified according to a list of ambulatory payment classifications (APCs). The April 7, 2000 final rule with comment period also established requirements for provider departments and provider-based entities and prohibited Medicare payment for nonphysician services furnished to a hospital outpatient by a provider or supplier other than a hospital unless the services are furnished under arrangement. In addition, this rule extended reductions in payment for costs of hospital outpatient services as required by the BBA and amended by the BBRA. Medicare regulations governing the hospital OPPS are set forth at 42 CFR part 419.

• On June 30, 2000, we published a notice (65 FR 40535) announcing a delay in implementation of the OPPS from July 1, 2000 to August 1, 2000. We implemented the OPPS on August 1, 2000.

• On August 3, 2000, we published an interim final rule with comment period (65 FR 47670) that modified criteria that we use to determine which medical devices are eligible for transitional pass-through payments. The August 3, 2000 rule also corrected and clarified certain provider-based provisions included in the April 7, 2000 rule.

• On November 13, 2000, we published an interim final rule with comment period (65 FR 67798). This rule provided for the annual update to the amounts and factors for OPPS payment rates effective for services furnished on or after January 1, 2001. We implemented the 2001 OPPS on January 1, 2001. We also responded to public comments on those portions of the April 7, 2000 final rule that implemented related provisions of the BBRA and public comments on the August 3, 2000 rule.

• On November 2, 2001, we published a final rule (66 FR 55857) that announced the Medicare OPPS conversion factor for calendar year 2002. In addition, it described the Secretary's estimate of the total amount of the transitional pass-through payments for CY 2002 and the implementation of a uniform reduction in each of the pass-through payments for that year.

• On November 2, 2001, we also published an interim final rule with comment period (66 FR 55850) that set forth the criteria the Secretary will use to establish new categories of medical devices eligible for transitional pass-through payments under Medicare's OPPS.

• On November 30, 2001, we published a final rule (66 FR 59856) that revised the Medicare OPPS to implement applicable statutory requirements, including relevant provisions of BIPA, and changes resulting from continuing experience with this system. It addition, it described the CY 2002 payment rates for Medicare hospital outpatient services paid under the PPS. This final rule also announced a uniform reduction of 68.9 percent to be applied to each of the transitional pass-through payments for certain categories of medical devices and drugs and biologicals.

• On December 31, 2001, we published a final rule (66 FR 67494) that delayed, until no later than April 1, 2002, the effective date of CY 2002 payment rates and the uniform reduction of transitional pass-through payments that were announced in the November 30, 2001 final rule. In addition, this final rule indefinitely delayed certain related regulatory provisions.

• On March 1, 2002, we published a final rule (67 FR 9556) that corrected technical errors that affected the amounts and factors used to determine the payment rates for services paid under the Medicare OPPS and corrected the uniform reduction to be applied to transitional pass-through payments for CY 2002 as published in the November 30, 2001 final rule. These corrections and the regulatory provisions that had been delayed became effective on April 1, 2002.

C. Authority for Payment Suspensions for Unfiled Cost Reports

Authority for the provision regarding payment suspensions for unfiled cost reports is contained within the authority for subpart C of 42 CFR Part 405, that is, sections 1102, 1815, 1833, 1842,

1866, 1870, 1871, 1879, and 1892 of the Social Security Act (42 U.S.C. 1302, 1395g, 13951, 1395u, 1395cc, 1395gg, 1395hh, 1395pp, and 1395ccc) and 31 U.S.C. 3711.

D. Summary of Payment Suspensions for Unfiled Cost Reports

This provision is set forth in our existing regulations at 42 CFR 405.371 as follows:

Section 405.371 (a) provides that Medicare payments may be suspended, in whole or in part, following overpayments determined by the Medicare contractor when overpayment exists or when the payments to be made may not be correct.

Section 405.371(b) provides, in relevant part, that a payment suspension may proceed only after certain procedural requirements contained at § 405.372 are met.

Existing § 405.371(c) provides for suspension of payment if a provider has failed to timely file an acceptable cost report. Payment to the provider is immediately suspended until a cost report is filed and determined by the intermediary to be acceptable.

With the increased transition to the prospective payment systems, the cost report settlement process has become less determinative of an institutional provider's Medicare reimbursement. For instance, in the case of an inpatient acute care hospital, the base DRG payment (as opposed to any teaching or disproportionate share payments, or pass-through payments) is determined when a claim is initially adjudicated, and does not generally change at the time of cost report settlement. Similarly, the APC payment for an outpatient service is also based on the claim adjudication. For home health agencies, minimal changes to payment are made at the time of cost report settlement, and for skilled nursing facilities, the main cost report issues revolve around bad debt determinations. In all of these cases, a significant proportion of the institution's payments are determined based on the adjudication of claims, and do not change at the point of settling the cost report. However, the filing of cost reports remains important for settling some payments, such as medical education payments, even for providers that are fully transitioned to prospective payment systems. Also, cost reports for PPS providers are used for determining prospective payment rates for future years. For these reasons, tailored payment suspensions can still be an effective measure for ensuring that providers comply with their obligation to file timely and acceptable cost reports.

II. Proposed Changes to the Ambulatory Payment Classification (APC) Groups and Relative Weights

Under the OPPS, we pay for hospital outpatient services on a rate-per-service basis that varies according to the APC group to which the service is assigned. Each APC weight represents the median hospital cost of the services included in that APC relative to the median hospital cost of the services included in APC 601, Mid-Level Clinic Visits. The APC weights are scaled to APC 601 because a mid-level clinic visit is one of the most frequently performed services in the outpatient setting.

Section 1833(t)(9)(A) of the Act requires the Secretary to review the components of the OPPS not less often than annually and to revise the groups and related payment adjustment factors to take into account changes in medical practice, changes in technology, and the addition of new services, new cost data, and other relevant information. Section 1833(t)(9)(A) of the Act requires the Secretary, beginning in 2001, to consult with an outside panel of experts when annually reviewing and updating the APC groups and the relative payment weights.

Finally, section 1833(t)(2) of the Act provides that, subject to certain exceptions, the items and services within an APC group cannot be considered comparable with respect to the use of resources if the highest median or mean cost item or service in the group is more than 2 times greater than the lowest median or mean cost item or service within the same group (referred to as the “2 times rule”).

We use the median cost of the item or service in implementing this provision. The statute authorizes the Secretary to make exceptions to the 2 times rule “in unusual cases, such as low volume items and services.”

The APC groups that we are proposing in this rule as the basis for payment in 2003 under the OPPS have been analyzed within this statutory framework.

A. Recommendations of the Advisory Panel on APC Groups

1. Establishment of the Advisory Panel

Section 1833(t)(9)(A) of the Act, requires that we consult with an outside panel of experts when annually reviewing and updating the APC groups and the relative weights. The Act specifies that the panel will act in an advisory capacity. The expert panel, which is to be composed of representatives of providers, is to review and advise us about the clinical integrity of the APC groups and their weights. The panel is not restricted to using our data and may use data collected or developed by organizations outside the Department in conducting its review.

On November 21, 2000, the Secretary signed the charter establishing an “Advisory Panel on APC Groups” (the Panel). The Panel is technical in nature and is governed by the provisions of the Federal Advisory Committee Act (FACA) as amended (Pub. L. 92-463). To establish the Panel, we solicited members in a notice published in the
Federal Register
on December 5, 2000 (65 FR 75943). We received applications from more than 115 individuals nominating either themselves or a colleague. After carefully reviewing the applications, we chose 15 highly qualified individuals to serve on the Panel. The first APC Panel meeting was held on February 27, February 28, and March 1, 2001 to discuss the 2001 APCs in anticipation of the 2002 OPPS.

We published a notice in the
Federal Register
on December 14, 2001 to announce the location and time of the second Panel meeting, a list of agenda items, and that the meeting was open to the public. We also provided additional information through a press release and on our website. We convened the second meeting of the Panel on January 22 through January 24, 2002.

2. General Issues Considered by the Advisory Panel

In this section, we summarize the Panel's discussion of a recommendation by the Panel's Research Subcommittee concerning the format of written submissions and oral presentations to the Panel and of several general OPPS payment issues.

Content for Future Presentations to the Panel

During the 2001 meeting, the Panel heard many different types of oral presentations. The Panel members felt that requiring consistency for all presentations with regard to format, data submission, and general information would assist them in analyzing the submissions and presentations and making recommendations. Therefore, during the 2001 meeting, the Panel recommended the creation of a Research Subcommittee. The Research Subcommittee was established during the 2001 meeting and had regular conference calls to discuss the development and implementation of standards for written submissions and oral presentations to the Panel during its meetings. The Research Subcommittee also analyzed complex issues (such as the use of multiple procedure claims

data to set APC relative weights) that could not be addressed in the time allotted for the annual meeting.

The Panel began its 2002 meeting by considering the Research Subcommittee's recommendation to the Panel on requirements for written submissions and oral presentations. The Research Subcommittee recommended that all future oral presentations and written submissions contain the following:

• Name, address, and telephone number of the proposed presenter.

• Financial relationship(s), if any, with any company whose products, services, or procedures are under consideration.

• CPT codes involved.

• APC(s) affected.

• Description of the issue.

• Clinical description of the service under discussion, with comparison to other services within the APC.

• Description of the resource inputs associated with the service under discussion, with a comparison to resource inputs for other services within the APC.

• Recommendations and rationale for change.

• Expected outcome of change and potential consequences of no change.

The Panel adopted the Subcommittee s recommendation. Presentations for the 2003 meeting must contain, at a minimum, this information.

Inpatient Only List

At its February 2001 meeting, the Panel discussed the existence of the inpatient list. The Panel favored its elimination. At the January 2002 meeting, Panel members noted that hospitals receive no payment for a service performed in an outpatient department that appears on the inpatient list, even though the physician performing that service will receive payment for his or her services. The Panel believes the physician should determine what procedure to perform and that both the hospital and the physician should receive payment for the procedure. We continue to disagree with the position taken by the Panel regarding the inpatient list for reasons that we discuss in detail in the April 7, 2000 final rule (65 FR 18456).

Prior to the 2002 Panel meeting, we received requests from hospital and surgical associations and societies to remove certain procedures from the inpatient list. We reviewed those requests and presented to the Panel the requests for which we were unable to make a determination based on the information submitted with the request.

The Panel considered removing the following procedures from the inpatient list:

CPT
Description

21390
Treat eye socket fracture.

27216
Treat pelvic ring fracture.

27235
Treat thigh fracture.

32201
Drain, percut, lung lesion.

33967
Insert ia percut device.

47490
Incision of gallbladder.

62351
Implant spinal canal cath.

64820
Remove sympathetic nerves.

92986
Revision of aortic valve.

92987
Revision of mitral valve.

92990
Revision of pulmonary valve.

92997
Pul art balloon repr, precut.

92998
Pul art balloon repr, precut.

The Panel recommended that we solicit comments and additional information from hospitals and medical specialty societies that have an interest in these procedures. The Panel also recommended that we present to them at their 2003 meeting any such comments that we receive to assist in their evaluation of whether to recommend removing the codes from the inpatient list.

The Panel did recommend that we remove from the inpatient list CPT code 47001, Biopsy of liver, needle; when done for indicated purpose at time of other major procedure. Panel members stated that this add-on code is being billed with surgical procedures that are payable under the OPPS. The Panel noted that coding edits prevent payment for the other payable OPPS services if CPT code 47001 is on the claim. We agree with the Panel's recommendation and we propose to remove 47001 from the inpatient list. We further propose to assign it status indicator “N” so that costs associated with CPT code 47001 would be packaged into the APC payment for the primary procedure performed during the same operative session.

One presenter at the Panel meeting suggested removing CPT codes 53448, 54411, and 54417 from the inpatient list because he believed they were being performed in the outpatient setting. After discussing this suggestion, the Panel recommended that these codes remain on the inpatient list because they involve removing a prosthesis through an infected operative field and cannot be safely and effectively performed in the outpatient setting. We agree with the Panel's recommendation, and we are not proposing to remove these codes from the inpatient list.

In section II.B.5 of this preamble, below, we discuss additional procedures, which were not considered by the Panel, that we propose to remove from the inpatient list. We discuss in detail our reasons for proposing these additional changes, and we propose two new criteria that we would adopt in the future when evaluating whether to make a procedure on the inpatient list payable under the OPPS. Table 6 in section II.B.5 lists all the procedures we propose to remove from the inpatient list, including those discussed by the Panel. We are considering the removal of CPT code 33967, Insertion of intra-aortic balloon assist device, percutaneous from the inpatient list, but did not include it in Table 6. The Panel considered this code for removal from the inpatient list and had concerns about whether performing this procedure in an outpatient setting is appropriate. Further, we have not been able to confirm that this procedure is being performed on Medicare beneficiaries in an outpatient setting. We solicit comments, including clinical data and specific case reports, that would support payment for CPT 33967 under the OPPS.

Multiple Bills

During its February 2001 meeting, the Panel received oral testimony identifying CMS exclusive use of single procedure claims to set relative weights for APCs as a potential problem in setting appropriate payment rates for APCs. Therefore, the panel asked its Research Subcommittee to work with CMS staff, using the Endoscopic Retrograde Cholangiopancreatography (ERCP) code family as a case study, to explore the use of multiple procedure claims data for setting relative weights. This code family was selected because presenters had suggested that when procedures in this family are performed, it is typical to perform more than one procedure during a session.

The Subcommittee reviewed pre-OPPS claims data for these codes, paying particular attention to common code combinations and costs per procedure and per code combination. After lengthy review, the Panel concluded that (1) it could not determine whether findings based on review of pre-OPPS data could be extrapolated to post-OPPS claims data; (2) the variability in allocation of costs across ERCP line items and the existence of claims where the same ERCP code was billed more than once indicate that problems exist with the accuracy of facility coding for these procedures; and (3) analysis of multiple claims data for ERCP may not be applicable to other sets of services.

The Subcommittee made the following recommendations to the Panel, which the Panel approved:

• We should continue to explore the use of multiple procedure claims data for setting payment rates but should continue to use only single procedure claims data to determine relative payment weights for CY 2003.

• We should work with the APC Panel to explore the use of multiple claims data drawn from OPPS claims for services such as radiation oncology in time for the next APC Panel meeting.

• We should educate hospitals on appropriate coding and billing practices to ensure that claims with multiple procedures are properly coded and that costs are properly allocated to each procedure.

One presenter to the panel suggested a method to increase the number of claims that could be considered as single claims. Currently, we consider any claim submitted with two or more primary codes (that is, a code assigned to an APC for separate payment) to be a multiple procedure claim. When these claims contain line items for revenue centers without an accompanying Healthcare Common Procedure Coding System (HCPCS) code there is no way to determine the appropriate primary code with which to package the revenue center. The presenter suggested that we consider all claims where every line contains a separately payable HCPCS code as a single procedure claim, reasoning that on such claims we do not have to determine how and where to “package” line items not identified by a separately payable HCPCS code. Where every line item contains a separately payable HCPCS code, every cost can easily be allocated to a separately payable HCPCS code on the line item and all costs for each HCPCS code can then be accurately and completely determined.

We agree. We describe in section II.B.4 how we determined the number of single claims used to set the APC relative weights proposed for 2003 using this methodology. We ask for comments on our methodology.

Packaging

We sought the Panel's guidance on whether we should package the costs of HCPCS codes for radiologic guidance and radiologic supervision and interpretation services whose descriptors require that they only be performed in conjunction with a surgical procedure.

There are a number of reasons why we package the costs of certain procedures. For example, “add-on” procedures and radiologic guidance procedures should never be billed on a claim without the code for an associated procedure. A facility should not submit a claim for ultrasound guidance for a biopsy unless the claim also includes the biopsy procedure, because the guidance is necessary only when a biopsy is performed. A claim for a packaged guidance procedure (or a supervision and interpretation procedure whose descriptor requires it be performed in association with a surgical procedure) would be returned to the provider for correction and resubmission.

Also, we use packaging because billing conventions allow hospitals to report costs for certain services using only revenue center codes (that is, hospitals are not required to specify HCPCS codes for certain services). Packaging allows these costs to be captured in the data used to calculate median costs for services with an APC.

Several presenters to the panel requested that we not package any radiologic guidance or supervision and interpretation codes. They believe that hospitals will not use codes for which they do not receive a separate payment. If that were the case, it would be difficult to track utilization for these procedures and make it difficult for radiology departments to receive an appropriate payment for their services. A few presenters also pointed out that various forms of guidance with widely varying costs can be used for a single surgical procedure. Therefore, we might unintentionally create an incentive for inappropriate care by packaging several guidance procedures with varying costs into a single surgical code. Additionally, a manufacturer of ultrasound guidance equipment used for placement of radiation fields commented that, because guidance is rarely used for this purpose, its costs could not be adequately captured by packaging it into a common procedure where the vast majority of claims did not use guidance.

The Panel concluded that, even though we could be setting relative weights based on error claims, we should not package additional radiologic guidance and supervision and interpretation procedures and should continue to explore methodologies that would allow these procedures to be recognized for separate payment. The Panel also recommended that radiology guidance codes that were in APC 268 for CY 2001 but that were designated with status indicator “N” as packaged services in 2002, be restored as separately payable services for CY 2003. The Panel requested that this topic be placed on the agenda for the next Panel meeting.

Add-On Codes

We presented for the Panel's consideration several options for payment of add-on codes, including assignment of status indicator “N” to package them into the payment for the base procedure. Add-on codes described additional procedures performed by the same physician that are associated with the primary procedure, and which cannot be billed without the primary procedure. Such a methodology would create a single, weight averaged payment for the parent procedure and the add-on procedure while addressing the problem that any “single” claim for an add-on procedure is, by definition, an error claim. After thorough review, the Panel concluded that we should continue to pay for add-on codes separately, setting relative weights with the use of single procedure claims in spite of the fact that these were error claims. The Panel asked us to continue exploring ways to most appropriately pay for these services. They requested that this item also be placed on the agenda for the next Panel meeting.

We propose to accept the recommendations of the APC Panel both for packaging radiology guidance and supervision and interpretation codes and for payment of add-on codes. We are proposing to pay separately in 2003 for radiology guidance codes that were paid in APC 268 in CY 2001 but that were packaged in 2002.

3. Recommendations of the Advisory Panel and Our Responses

In this section, we consider the Panel's recommendations affecting specific APCs. The most recent data available for the Panel to review in considering specific APC groupings were the 1999-2000 pre-OPPS claims data that were the basis of the CY 2002 relative payment weights. The APC titles are shown in this discussion of the APC Panel recommendations as they existed when the APC Panel met in January 2002. In a few cases the APC titles were changed for the proposed 2003 OPPS and therefore some APCs do not have the same title in Addenda A as they have in this section.

As discussed below, the Panel sometimes declined to recommend a change in an APC even though the APC violated the 2 times rule. In section II.B.1 of this preamble, we discuss our proposals regarding the 2 times rule based on the CY 2001 data we are using to recalibrate the 2003 APC relative weights. Section II.B.1 also details the criteria we use in deciding to make an exception to the 2 times rule. We asked the Panel to review many of the

exceptions we implemented in 2001 and 2002. We refer to the exceptions as “violations of the 2 times” rule in the following discussion.

APC 215: Level I Nerve and Muscle Tests

APC 216: Level III Nerve and Muscle Tests

APC 218: Level II Nerve and Muscle Tests

We presented this agenda item because APC 215 appeared to violate the 2 times rule. In order to remedy this violation, we asked the Panel to consider the following changes:

• Move CPT codes 95858, 95921, and 95922 from APC 215 to APC 218.

• Move CPT code 95930 from APC 216 to APC 218.

• Move CPT code 92275 from APC 216 to APC 231.

• Move CPT code 95920 from APC 218 to APC 216.

A presenter to the Panel who represented a device manufacturer noted that the resources used to provide 95921, Autonomic nerve function test, are not similar to the resources required for performing the procedures in APC 218, where we had suggested moving the device. He requested that the code be reassigned to APC 216 where it resided in calendar year 2000. Because there were very few claims for the code in the 1999 and 2000 data, the Panel voiced concern about making the change without sufficient data to support such a move.

The Panel recommended that the changes we asked them to consider be made, that is, to move CPT codes 95921 and 95922 to APC 218. However, if the calendar year 2001 data support a move of 95921 to APC 216, the Panel recommended that we consider that move.

APC 600: Low Level Clinic Visits

APC 601: Mid Level Clinic Visits

APC 602: High Level Clinic Visits

APC 610: Low Level Emergency Visits

APC 611: Mid Level Emergency Visits

APC 612: High Level Emergency Visits

The Panel's recommendations related to facility coding for clinic and emergency department visits are discussed below, in section VIII.A.

APC 296: Level I Therapeutic Radiologic Procedures

APC 297: Level II Therapeutic Radiologic Procedures

APC 263: Level I Miscellaneous Radiology Procedures

APC 264: Level II Miscellaneous Radiology Procedures

APCs 296, 263, and 264 appear to violate the 2 times rule. We asked the Panel to consider three options for reconfiguring these APCs so that they would conform with the 2 times rule.

Option 1:
Create a new APC, Level III Therapeutic Radiology Procedures, by moving CPT code 75984 from APC 296 and 74475 from APC 297. Also, move CPT codes 76101, 70390, and 71060 from APC 263 to APC 264 and move CPT code 75980 from APC 297 to APC 296.

Option 2:
Move CPT codes 76101, 703690, and 71060 from APC 263 to APC 264 and move CPT code 75984 from APC 296 to APC 264. Move CPT code 75980 from APC 297 to APC 296.

Option 3:
Create a new APC, Level III Miscellaneous Radiology Procedures, by moving CPT codes 76080, 7036736, 76101, 70390, 74190, and 71060 from APC 263. Move CPT code 74327 from APC 296 to APC 263 and move CPT code 75980 from APC 297 to APC 296. APC 264 remains unchanged.

One presenter to the panel objected to the use of miscellaneous APCs in the OPPS. The presenter argued that we are charged with creating clinically coherent APCs and that miscellaneous APCs contradict the principle of clinical coherence. We noted that in spite of considerable effort to do so, we have not been able to incorporate the procedures assigned to miscellaneous APCs into other, more clinically homogeneous APCs. We asked the presenter to propose a configuration for consideration.

The Panel noted that none of the options that we presented resolve all of the 2 times violations. However, the Panel agreed that Option 2 would create more clinically coherent APCs without creating a new APC based on anticipated device costs that would be billed in 2002. In addition, the Panel invited the American College of Radiology and other interested parties to propose further changes for the Panel's consideration next year.

We propose to accept the Panel's recommendations that option 2 be implemented.

APC 230: Level I Eye Tests and Treatments

APC 231: Level III Eye Tests and Treatments

APC 232: Level I Anterior Segment Eye Procedures

APC 233: Level II Anterior Segment Eye Procedures

APC 234: Level III Anterior Segment Eye Procedures

APC 235: Level I Posterior Segment Eye Procedures

APC 236: Level II Posterior Segment Eye Procedures

APC 237: Level III Posterior Segment Eye Procedures

APC 238: Level I Repair and Plastic Eye Procedures

APC 239: Level II Repair and Plastic Eye Procedures

APC 240: Level III Repair and Plastic Eye Procedures

APC 241: Level IV Repair and Plastic Eye Procedures

APC 242: Level V Repair and Plastic Eye Procedures

APC 247: Laser Eye Procedures Except Retinal

APC 248: Laser Retinal Procedures

APC 698: Level II Eye Tests and Treatments

APC 699: Level IV Eye Tests and Treatments

We asked the Panel to review these APCs to address clinical inconsistencies and violations of the 2 times rule. We suggested creating a new level for posterior segment eye procedures and other changes in order to make the groups more clinically coherent, as follows:

• Move CPT codes 65260 and 67218 from APC 237 to 236.

• Create a new APC (Level IV Posterior Segment Eye Procedures) by moving CPT codes 67107, 67112, 67040, and 67108 from APC 237.

• Move CPT codes 67145, 67105, and 67210 from APC 247 to APC 248.

• Move CPT code 66999 from APC 247 to APC 232.

• Move CPT code 67299 from APC 248 to APC 235.

• Move CPT codes 65855, 66761, and 66821 from APC 248 to APC 247.

• Move CPT code 67820 from APC 698 to APC 230.

• Move CPT code 67208 from APC 231 to APC 235.

• Move CPT codes 92226, 92284, 65205, 92140 from APC 231 to APC 698.

• Move CPT code 92235 from APC 231 to APC 699.

• Move CPT code 68100 from APC 233 to APC 232.

• Move CPT code 65180 from APC 233 to APC 234.

• Create a new APC (Level IV Anterior Segment Eye Procedures) by moving CPT codes 66172, 66185, 66180, 66225 from APC 234.

• Move CPT code 92275 from APC 216 to APC 231.

No presenters commented on these APCs, and, after brief discussion, the Panel recommended concurrence with our suggested changes. We propose to accept the Panel's recommendations. We note that when we were able to use 2001 claims data to re-evaluate the changes recommended by the Panel for these APCs, we found violations of the 2 times rule in the reconfigured APCs. Nonetheless, we propose to accept the

Panel's recommendations because they result in more clinically coherent APCs. We solicit comments on further changes that would address the violations of the 2 times rule. We plan to place these APCs on the panel's agenda for 2003.

APC 110: Transfusion

APC 111: Blood Product Exchange

APC 112: Apheresis, Photopheresis, and Plasmapheresis

We presented these APCs to the Panel in 2001 because of their low payment rates and concern that our cost data was inaccurate. These APCs were on the agenda this year in order to obtain further comment on our cost data. We suggested no changes in the structure of these APCs.

Representatives of two associations made presentations regarding these APCs. One recommended that all the plasma derivatives and recombinant analogs that currently receive transitional pass-through payments be assigned to permanent APCs in 2003, similar to the designations of other blood products. The representative of the second association supported this recommendation.

The second presenter also pointed out that, consistent with our billing instructions, every claim that a hospital submits for a blood transfusion should include codes for both the blood product and the transfusion. Therefore, payment for blood and blood products is another area affected by the use of single bills in setting payment weights. The Panel agreed to look specifically at blood in its work on the multiple claims issues.

The Panel recommended that plasma derivatives be placed in their own APCs and classified in the same manner as whole blood products. In addition, the Panel observed that hospitals incur additional costs with each unit of blood product transfused and, therefore, recommended that APC 110 be revised to allow for the costs of additional units of blood product and clinical services.

In section III.C, we discuss our payment proposals for drugs and biologicals for which pass-through payments are scheduled to expire in 2003. Those proposals would affect payment for blood and blood products. We propose not to accept the Panel's recommendation to change current OPPS payment policy for transfusions. The current payment reflects weight averaging over the number of units transfused. Therefore, unless a hospital specializes in transfusing multiple units of blood, payments for this procedure should be, on average, appropriate.

Panel Recommendations to Defer Changes Pending Availability of 2001 Claims Data

Regarding the remaining APC groups that are addressed below, the Panel recommended that we make no changes until data from claims billed in 2001 under the OPPS become available for analysis. The Panel further requested that we place the APC groups in this section on the agenda for consideration at its meeting in 2003. The changes that we propose for the APCs in this section are based upon our review of the 2001 claims data, which did not become available until March 2002.

APC 203: Level V Nerve Injections

APC 204: Level VI Nerve Injections

APC 206: Level III Nerve Injections

APC 207: Level IV Nerve Injections

Several presenters to the Panel suggested changes in the configuration of these APCs because of concerns that the current classifications result in payment rates that are too low relative to the resource costs associated with certain procedures in the APCs. Several of these APCs include procedures associated with drugs or with device categories for which pass-through payments are scheduled to expire in 2003. The Panel recommended that we not change the structure of these APCs at this time. Because the structure of these APCs was substantially changed for 2002, and 2002 cost data was not yet available, the Panel felt it would be appropriate to review 2002 cost data prior to making further structural changes to these APCs. We propose to accept the Panel's recommendation. We will place these APCs on the Panel's agenda when 2002 cost data becomes available.

APC 43: Closed Treatment Fracture Finger/Toe/Trunk

APC 44: Closed Treatment Fracture/Dislocation, Except Finger/Toe/Trunk

On the basis of 1999-2000 claims data, these APCs violate the 2 times rule. The Panel reviewed these APCs and recommended no changes.

Our subsequent review of 2001 OPPS cost data shows continuing violations of the 2 times rule and that costs within these APCs are virtually identical. Therefore, we propose to combine APCs 43 and 44 into APC 43. The procedures in the consolidated APC are clinically homogeneous.

APC 58: Level I Strapping and Cast Application

APC 59: Level II Strapping and Cast Application

The Panel reviewed these APCs and recommended that no changes be made pending analysis of 2001 claims data. The panel did recommend that billing instructions be developed on the appropriate use of the codes in these APCs. We agree with the Panel's recommendation regarding the need for billing instructions, and we expect to develop such instructions for hospitals to use in 2003.

Our subsequent review of 2001 claims data reveals that, in some cases, costs for short casts and splints are greater than costs for long casts and splints. Moreover, the proposed payments for these two APCs, based on 2001 OPPS data, would not differ significantly from each other. Therefore, we propose to combine the codes in APC 58 and APC 59 into a single APC, APC 58. Combining these APCs does not compromise clinical homogeneity. The relative weight of the proposed single APC is virtually identical to the relative weight of each of the two current APCs. We propose to continue to work with hospitals to develop appropriate coding for these services and will review the appropriate APC structure for these services next year.

APC 279: Level I Angiography and Venography Except Extremity

APC 280: Level II Angiography and Venography Except Extremity

Without the benefit of 2001 OPPS claims data, it was difficult for the Panel to determine whether the apparent violation of the 2 times rule in APCs 279 and 280 was attributable to underreporting of procedures or inaccurate coding. Therefore, the Panel recommended no changes pending the availability of the more recent claims data. After subsequently reviewing the 2001 claims data, we propose to move CPT codes 75978, Transluminal balloon angioplasty, venous, radiological supervision and interpretation, and 75774, Angiography, selective, each additional vessel studied after basic examination, radiological supervision and interpretation, to new APC 0668. This would resolve violations of the 2 times rule and result in clinically coherent APCs.

APC 115: Cannula/Access Device Procedures

We propose to move CPT code 36860, External Cannula Declotting; without balloon catheter, to APC 103, Miscellaneous Vascular Procedures. We believe this makes both APC 115 and APC 103 more clinically homogeneous and it resolves a violation of the 2 times rule in APC 115 that was caused by the presence of CPT code 36860.

APC 93: Vascular Repair/Fistula Construction

APC 140: Esophageal Dilation without Endoscopy

APC 141: Upper GI Procedures

APC 142: Small Intestine Endoscopy

APC 143: Lower GI Endoscopy

APC 144: Diagnostic Anoscopy

APC 145: Therapeutic Anoscopy

APC 146: Level I Sigmoidoscopy

APC 147: Level II Sigmoidoscopy

APC 148: Level I Anal/Rectal Procedure

APC 149: Level II Anal/Rectal Procedure

Our subsequent review of 2001 claims data suggests that the cost data for APCs 144 and 145 are aberrant. The cost data for these APCs yield relative weights and payments that are significantly higher than the relative weights for APCs 146 and 147, which consist of similar procedures performed through a sigmoidoscope rather than an anoscope. As currently arranged, the APC configuration for these services could provide a financial incentive for hospitals to perform unnecessary anoscopic procedures, either alone or with a sigmoidoscopy. To rectify this problem, we propose to move the procedures in APCs 144 and 145 to APC 147 with the exception of CPT code 46600, Anoscopy; diagnostic, which we propose to assign to APC 340, Minor Ancillary procedures. We believe these changes would result in clinically coherent APCs with appropriate relative weights and payment rates.

APC 363: Otorhinolaryngologic Function Tests

Based on 2001 claims data, we propose to move CPT codes 92543, 92588, 92520, 92546, 92516, 92548, and 92584 to new APC 0660 (Level III Otorhinolaryngolgic Function Tests). This change would resolve a 2 times rule violation and create clinically coherent APCs.

APC 96: Non-Invasive Vascular Studies

APC 265: Level I Diagnostic Ultrasound Except Vascular

APC 266: Level II Diagnostic Ultrasound Except Vascular

APC 267: Vascular Ultrasound

APC 269: Level I Echocardiogram Except Transesophageal

APC 270: Transesophageal Echocardiogram

The APC Panel recommended making no changes in the configuration of these APCs. Several groups made a joint proposal to reconfigure these APCs arguing that their proposal resulted in more clinically coherent APCs. However, several other presenters commented that the joint proposal did not include several physician groups who commonly perform these procedures.

Based on 2001 claims data, we propose to make several changes in order to resolve 2 times rule violations and to make these APCs more clinically coherent. Specifically, we propose to move CPT code 43499 from APC 0140 to APC 141; CPT code 93721 from APC 0096 to APC 368; CPT code 93740 from APC 0096 to APC 367; CPT code 93888 from APC 0267 to APC 266; and CPT code 93931 from APC 0267 to APC 266. We also propose to move CPT codes 78627, 76825, and 93320 from APC 0269 to new APC 0671 to achieve more clinical coherence. We also propose to create new APC 0670 for intravascular ultrasound and intracardiac echocardiography consisting of CPT codes 37250, 37251, 92978, 92979, and 93662.

APC 291: Level I Diagnostic Nuclear Medicine Excluding Myocardial Scans

APC 292: Level II Diagnostic Nuclear Medicine Excluding Myocardial Scans

Subsequent to the APC Panel meeting, we received comments on these APCs from the Nuclear Medicine Task Force. After a thorough review of that proposal within the context of the 2001 claims data, we propose to accept the recommendations of the Nuclear Medicine Task Force, which would result in a complete reconfiguration of APCs 290, 291, and 292. Although the reconfiguration would create violations of the 2 times rule, we agree with the Task Force that the reconfigured APCs are more clinically coherent. We note that APCs 290, 291, and 292 as currently configured would also violate the 2 times rule. Therefore, we solicit comments on the proposed reconfiguration of APCs 290, 291, and 292 and on alternative groupings that would achieve clinical coherence without violating the 2 times rule.

APC 274: Myleography

APC 179: Urinary Incontinence Procedures

APC 182: Insertion of Penile Prosthesis

APC 19: Level I Excision/Biopsy

APC 20: Level II Excision/Biopsy

APC 21: Level IV Excision/Biopsy

APC 22: Level V Excision/Biopsy

APC 694: Level III Excision/Biopsy

Based on 2001 claims data, we propose to move several codes from APC 19 to APC 20 and several codes from ACP 20 to APC 21. Additionally, we propose to move CPT codes 11770, 54105, and 60512 to APC 22. We also propose to move CPT code 58999 to APC 191 and CPT code 37799 to APC 35. These changes would result in clinically coherent APCs that do not violate the 2 times rule.

APC 24: Level I Skin Repair

APC 25: Level II Skin Repair

APC 26: Level III Skin Repair

APC 27: Level IV Skin Repair

APC 686: Level V Skin Repair

Based on 2001 claims data, we propose to move CPT code 43870 from APC 0025 to APC 141; and CPT codes with high costs from APC 26 to APC 27. We also propose to move the codes remaining in APC 26 to APC 25. APC 26 would then be deleted. These changes would result in a more compact APC structure without compromising the clinical homogeneity of the reconfigured APCs and without violating the 2 times rule. See Table 1 for codes moving from APC 26 to APC 25 or APC 27.

Table 1.—HCPCS Codes Proposed To Be Moved From APC 26 into APC 25 or APC 27

2002 APC 26
2003 APC 25
2003 APC 27

11960

11960

11970

11970

12037
12037

12047
12047

12057
12057

13150
13150

13160

13160

14000

14000

14001

14001

14020

14020

14021

14021

14040

14040

14041

14041

14060

14060

14061

14061

14300

14300

14350

14350

15000
15000

15001
15001

15050
15050

15101

15101

15120

15120

15121

15121

15200

15200

15201
15201

15220

15220

15221
15221

15240

15240

15241
15241

15260

15260

15261
15261

15351

15351

15400
15400

15401
15401

15570

15570

15572

15572

15574

15574

15576

15576

15600

15600

15610

15610

15620

15620

15630

15630

15650

15650

15775
15775

15776
15776

15819
15819

15820

15820

15821

15821

15822

15822

15823

15823

15825

15825

15826

15826

15829

15829

15835
15835

20101

20101

20102

20102

20910

20910

20912

20912

20920

20920

20922

20922

20926

20926

23921
23921

25929

25929

33222

33222

33223

33223

44312

44312

44340

44340

15580—Code Deleted

15625—Code Deleted

APC 77: Level I Pulmonary Treatment

APC 78: Level II Pulmonary Treatment

APC 251: Level I ENT Procedures

APC 252: Level II ENT Procedures

APC 253: Level III ENT Procedures

APC 254: Level IV ENT Procedures

APC 256: Level V ENT Procedures

Based on 2001 claims data, we propose to address violations of the 2 times rule by moving CPT codes 40812, 42330, and 21015 from APC 0252 to APC 253 and by moving CPT codes 41120 and 30520 to APC 254.

B. Other Changes Affecting the APCs

1. Limit on Variation of Costs of Services Classified Within a Group

Section 1833(t)(2) of the Act provides that the items and services within an APC group cannot be considered comparable with respect to the use of resources if the highest cost item or service within a group is more than 2 times greater than the lowest cost item or service within the same group. However, the statute authorizes the Secretary to make exceptions to this limit on the variation of costs within each group in unusual cases such as low volume items and services. No exception may be made, however, in the case of a drug or biological that has been designated as an orphan drug under section 526 of the Federal Food, Drug, and Cosmetic Act.

Taking into account the proposed APC changes discussed in relation to the APC panel recommendations in this section of this preamble and the use of 2001 claims data to calculate the median cost of procedures classified to APCs, we reviewed all the APCs to determine which of them would not meet the 2 times limit. We use the following criteria when deciding whether to make exceptions to the 2 times rule for affected APCs:

• Resource homogeneity.

• Clinical homogeneity.

• Hospital concentration.

• Frequency of service (volume).

• Opportunity for upcoding and code fragmentation.

For a detailed discussion of these criteria, refer to the April 7, 2000 final rule (65 FR 18457).

The following table contains APCs that we propose to exempt from the 2 times rule based on the criteria cited above. In cases in which compliance with the 2 times rule appeared to conflict with a recommendation of the APC Advisory Panel, we generally accepted the Panel recommendation. This was because Panel recommendations were based on explicit consideration of resource use, clinical homogeneity, hospital specialization, and the quality of the data used to determine payment rates.

The median cost for hospital outpatient services for these and all other APCs can be found at website:
http://www.cms.hhs.gov.

Table 2.—Table of Exempted Codes

NPRM APC
Description

0012
Level I Debridement & Destruction

0019
Level I Excision/ Biopsy

0020
Level II Excision/ Biopsy

0025
Level II Skin Repair

0032
Insertion of Central Venous/Arterial Catheter

0043
Closed Treatment Fracture Finger/Toe/Trunk

0046
Open/Percutaneous Treatment Fracture or Dislocation

0058
Level I Strapping and Cast Application

0074
Level IV Endoscopy Upper Airway

0080
Diagnostic Cardiac Catheterization

0081
Non-Coronary Angioplasty or Atherectomy

0093
Vascular Repair/Fistula Construction

0097
Cardiac and Ambulatory Blood Pressure Monitoring

0099
Electrocardiograms

0103
Miscellaneous Vascular Procedures

0105
Revision/Removal of Pacemakers, AICD, or Vascular

0121
Level I Tube changes and Repositioning

0140
Esophageal Dilation without Endoscopy

0147
Level II Sigmoidoscopy

0148
Level I Anal/Rectal Procedure

0155
Level II Anal/Rectal Procedure

0165
Level III Urinary and Anal Procedures

0170
Dialysis

0179
Urinary Incontinence Procedures

0191
Level I Female Reproductive Proc

0192
Level IV Female Reproductive Proc

0203
Level VI Nerve Injections

0204
Level I Nerve Injections

0207
Level III Nerve Injection

0218
Level II Nerve and Muscle Tests

0225
Implantation of Neurostimulator Electrodes

0230
Level I Eye Tests & Treatments

0231
Level III Eye Tests & Treatments

0233
Level II Anterior Segment Eye Procedures

0235
Level I Posterior Segment Eye Procedures

0238
Level I Repair and Plastic Eye Procedures

0239
Level II Repair and Plastic Eye Procedures

0252
Level II ENT Procedures

0260
Level I Plain Film Except Teeth

0274
Myelography

0286
Myocardial Scans

0290
Level I Diagnostic Nuclear Medicine Excluding Myocardial Scans

0291
Level II Diagnostic Nuclear Medicine Excluding Myocardial Scans

0294
Level I Therapeutic Nuclear Medicine

0297
Level II Therapeutic Radiologic Procedures

0303
Treatment Device Construction

0304
Level I Therapeutic Radiation Treatment Preparation

0330
Dental Procedures

0345
Level I Transfusion Laboratory Procedures

0354
Administration of Influenza/Pneumonia Vaccine

0356
Level II Immunizations

0367
Level I Pulmonary Test

0368
Level II Pulmonary Tests

0370
Allergy Tests

0373
Neuropsychological Testing

0600
Low Level Clinic Visits

0602
High Level Clinic Visits

0660
Level III Otorhinolaryngologic Function Tests

0692
Electronic Analysis of Neurostimulator Pulse Generators

0694
Mohs Surgery

0698
Level II Eye Tests & Treatments

2. Procedures Moved From New Technology APCs to Clinically Appropriate APCs

In the November 30, 2001 final rule, we made final our proposal to change the period of time during which a service may be paid under a new technology APC (66 FR 59903), initially established in the April 7, 2000 final rule. That is, beginning in 2002, we will retain a service within a new technology APC group until we have acquired adequate data that allow us to assign the service to a clinically appropriate APC. This policy allows us to move a service from a new technology APC in less than 2 years if sufficient data are available, and it also allows us to retain a service in a new technology APC for more than 3 years if sufficient data upon which to base a decision for reassignment have not been collected.

Effective in 2003, we propose to move several procedures from new technology APCs to clinical APCs. Those procedures and the clinical APCs to which we propose to assign the procedures for payment in 2003 are identified in Table 3. Based upon our review of the 2001 OPPS claims data, we believe we have sufficient information upon which to base assignment of these procedures to clinical APCs. In making this determination, we reviewed both single and multiple procedure claims. We compared median cost data for the new technology procedures with median cost data for procedures that are clinically similar and for which we would expect costs to be similar. We also compared median cost data for the new technology procedures with median cost data for clinically related procedures, such as different methods of treating prostatic hypertrophy, where expected median costs were lower or higher than those of the new technology procedure. In some cases we propose classification of a new technology procedure in an APC with procedures that are similar both clinically and in terms of resource consumption. In other cases, we propose to create a new APC for a new technology procedure because we do not believe any of the existing APCs contain procedures that are clinically similar and similar in terms of resource consumption. We solicit comments on our proposed reassignment of the new technology procedures listed in Table 3.

Table 3.—Proposed Changes in HCPCS Assignments From New Technology APCs to Procedure APCs for 2003

HCPCS
Description
2002 SI
2003 SI
2002 APC
2003 APC

19103
Bx breast percut w/device
S
T
0710
0658

33282
Implant pat-active ht record
S
S
0710
0680

36550
Declot vascular device
T
T
0972
0677

53850
Prostatic microwave thermotx
T
T
0982
0675

53852
Prostatic rf thermotx
T
T
0982
0675

55873
Cryoablate prostate
T
T
0982
0674

76075
Dual energy x-ray study
S
S
0707
0288

76076
Dual energy x-ray study
S
S
0707
0665

77520
Proton trmt, simple w/o comp
S
S
0710
0664

77522
Proton trmt, simple w/comp
S
S
0710
0664

77523
Proton trmt, intermediate
S
S
0712
0664

77525
Proton treatment, complex
S
S
0712
0664

92586
Auditor evoke potent, limit
S
S
0707
0218

95965
Meg, spontaneous
T
S
0972
0717

95966
Meg, evoked, single
T
S
0972
0714

95967
Meg, evoked, each addl
T
S
0972
0712

C1300
Hyperbaric oxygen
S
S
0707
0659

C9708
Preview Tx Planning Software
T
T
0975
0973

G0125
PET img WhBD sgl pulm ring
T
S
0976
0667

G0166
Extrnl counterpulse, per tx
T
T
0972
0678

G0168
Wound closure by adhesive
T
X
0970
0340

G0173
Stereo radoisurgery, complete
S
S
0721
0663

G0204
Diagnostic mammography digital
S
S
0707
0669

G0206
Diagnostic mammography digital
S
S
0707
0669

G0210
PET img whbd ring dxlung ca
S
S
0714
0667

G0211
PET img whbd ring init lung
S
S
0714
0667

G0212
PET img whbd ring restag lun
S
S
0714
0667

G0213
PET img whbd ring dx colorec
S
S
0714
0667

G0214
PET img whbd ring init colre
S
S
0714
0667

G0215
PET img whbd restag col
S
S
0714
0667

G0216
PET img whbd ring dx melanom
S
S
0714
0667

G0217
PET img whbd ring init melan
S
S
0714
0667

G0218
PET img whbd ring restag mel
S
S
0714
0667

G0220
PET img whbd ring dx lymphom
S
S
0714
0667

G0221
PET img whbd ring init lymph
S
S
0714
0667

G0222
PET img whbd ring resta lymp
S
S
0714
0667

G0223
PET img whbd reg ring dx hea
S
S
0714
0667

G0224
PET img whbd reg ring ini hea
S
S
0714
0667

G0225
PET img whbd ring restag hea
S
S
0714
0667

G0226
PET img whbd dx esophag
S
S
0714
0667

G0227
PET img whbd ring ini esopha
S
S
0714
0667

G0228
PET img whbd ring restg esop
S
S
0714
0667

G0229
PET img metabolic brain ring
S
S
0714
0667

G0230
PET myocard viability ring
S
S
0714
0667

G0231
PET WhBD colorec; gamma cam
S
S
0714
0667

G0232
PET WhBD lymphoma; gamma cam
S
S
0714
0667

G0233
PET WhBD melanoma; gamma cam
S
S
0714
0667

G0234
PET WhBD pulm nod, gamma cam
S
S
0714
0667

3. APC Assignment for New Codes Created During 2002

During CY 2002 we created several HCPCS codes to describe services newly covered by Medicare and payable under the hospital OPPS. While we have assigned these services to APCs for CY 2002, the assignments are open to public comment in this proposed rule. In this proposed rule, we solicit comment on the APC assignment of these services. In addition, in this proposed rule, we are proposing the creation of several new HCPCS codes and APC assignments with an effective date of January 1, 2003. Table 4 below includes new procedural HCPCS codes either created for implementation in July 2002, which we intend to implement in October 2002, or which we propose to implement January 2003.

Table 4 does not include new codes for drugs and devices for which we established or intend to establish pass-through payment eligibility in July or October 2002. Furthermore, neither the new procedural HCPCS nor the new pass-through codes intended as of this publication for implementation beginning October 2002 or later are included in Addendum B of this proposed rule.

Table 4.—New G Codes for 2002 and Proposed G Codes for 2003

Code
Long descriptor
APC
SI
Proposed effective date

G0245
Initial physician evaluation of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (LOPS) which must include the procedure used to diagnose LOPS; a patient history; and a physician examination that consists of at least the following elements—* * *
0600
V
7/01/02

G0246
Follow-up physician evaluation of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (LOPS) which must include the procedure used to diagnose LOPS; a patient history; and a physician examination that includes—* * *
0600
V
7/01/02

G0247
Routine foot care by a physician of a diabetic patient with diabetic sensory neuropathy resulting in a loss of protective sensation (LOPS) to include if present at least the following—* * *
0009
T
7/01/02

G0248
Demonstration, at initial use, of home INR monitoring for a patient with mechanical heart valve(s) who meets Medicare coverage criteria, under the direction of a physician; includes: demonstration use and care of the INR monitor, obtaining at least one blood sample provision of instructions for reporting home INR test results and documentation of a patient's ability to perform testing
0708
S
7/01/02

G0249
Provision of test material and equipment for home INR monitoring to patient wih mechanical heart valve(s) who meets Medicare coverage criteria. Includes provision of materials for use in the home and reporting of test results to physician; per 4 tests
0708
S
7/01/02

G0250
Physician review/interpretation and patient management of home INR test for patient with mechanical heart valve(s) who meets other coverage criteria; per 4 tests (does not require face-to-face service)
N/A
E
7/01/02

G0AAA
PET imaging for initial diagnosis of breast cancer and/or surgical planning for breast cancer (for example, initial staging of axillary lymph nodes), not covered by Medicare.
N/A
E
10/01/02

G0BBB
PET imaging for breast cancer, full and partial-ring PET scanners only, staging/restaging after or prior to course of treatment
0285
S
10/01/02

G0CCC
PET imaging for breast cancer, full and partial-ring PET scanners only, evaluation of response to treatment, performed during course of treatment
0285
S
10/01/02

G0DDD
Current Perception Threshold/Sensory Nerve Conduction Test, (SNCT) per limb, any nerve.
N/A
E
10/01/02

G0EEE
Intravenous infusion(s) during separately payable observation stay, Per observation stay (must be reported with G0244)
0340
X
10/01/02

G0FFF
Bone marrow aspiration and biopsy performed through a single incision during a single session
0003
T
1/01/03

G0GGG
Unscheduled or emergency treatment for dialysis for ESRD patient in the outpatient department of a hospital that does not have a certified ESRD facility
0170
S
1/01/03

G0HHH
Injection procedure for sacroiliac joint; arthrography
N/A
N
1/01/03

G0JJJ
Injection procedure for sacroiliac joint; provision of anesthetic, steroid, and/or other therapeutic agent
0204
T
1/01/03

G0KKK
Prostate brachytherapy, including transperineal placement of needles or catheters into the prostate, cystoscopy, and interstitial radiation source application.
0684
T
1/01/03

G0LLL
Initial nursing assessment of patient directly admitted to observation with diagnosis of congestive heart failure, chest pain or asthma.
N
N
1/01/03

G0MMM
Initial nursing assessment of patient directly admitted to observation with diagnosis other than congestive heart failure, chest pain or asthma.
0706
S
1/01/03

G0NNN
Transcatheter placement of a drug eluting intracoronary stent(s), percutaneous, with or without other therapeutic intervention, any method; single vessel.
0656
T
01/01/03

G0OOO
Transcatheter placement of a drug eluting intracoronary stent(s), percutaneous, with or without other therapeutic intervention, any method; each additional vessel.
0656
T
01/01/03

HCPCS Codes Created During CY 2002

The G codes G0245 through G0250 were created to implement payment for newly covered Medicare services due to national coverage determinations. The G codes G0AAA-G0DDD will be established October 1, 2002 as a result of national coverage policies that will be effective October 1, 2002. These codes were created to accurately describe the services covered, to ensure they were reported correctly, to track their utilization, and to establish payment. We solicit comments on the APC assignment of these services. The codes describing evaluation and management services were assigned to clinic visit APCs containing similar services, and the codes describing procedural services were assigned to new technology APCs or to APCs containing procedures requiring similar resource consumption. Because G0250 is a professional service furnished by a physician, it is not payable under OPPS.

We expect to implement HCPCS code G0EEE (Intravenous Infusion(s) During Separately Payable Observation Stay) effective October 1, 2002 to describe infusion therapy given during a separately payable observation stay. This code is discussed in detail in section VIII.B of this proposed rule. We have assigned it to APC 0340. We believe APC 0340 appropriately accounts for the resources used for infusion during observation. This is because we believe that Q0081, which represents the same service as G0EEE, is typically billed with an APC that has a higher relative weight, therefore making APC 0120 payable at 50 percent of its payment rate.

HCPCS Codes Proposed in This Rule for January 1, 2003

We are proposing the creation of several new HCPCS codes for 2003 in order to address issues that have come to our attention, to describe new technology procedures, to implement policy proposals discussed in this rule, and to allow more appropriate reporting of procedures currently described by CPT (HCPCS Level I) codes.

(1) G0FFF—Bone Marrow Aspiration and Biopsy Services—we are proposing to create this code to describe bone marrow aspiration and biopsy performed through the same incision. We propose to place this code in APC 0003. This code also appears in the proposed rule for the physician fee schedule, published in the June 28, 2002 issue of the
Federal Register
(67

FR 43846). This code would facilitate proper reporting of this procedure.

(2) G0GGG—Unscheduled and Emergency Treatment for ESRD Patients—we are proposing this code in order to facilitate payment for dialysis provided to ESRD patients in the outpatient department of a hospital that does not have a certified ESRD facility. This code is described in detail in section VIII.G of this proposed rule.

(3) G0HHH and G0JJJ—Sacroiliac Joint Injections—we are proposing to create these two codes to replace CPT code 27096, Injection procedure for sacroiliac joint, arthrography and/or anesthetic steroid. CPT code 27096 describes two distinct procedures requiring different resource consumption. Moreover, our policy of packaging injection procedures required packaging of this procedure even when it was used to report injection of a steroid or anesthetic. In these cases, it was appropriately billed without another procedure and should have been payable. Therefore, in order to facilitate appropriate reporting and payment for the procedures described by CPT code 27096, we propose to create G0HHH, Injection procedure for sacroiliac joint, arthrography, and G0JJJ, Injection procedure for sacroiliac joint, provision of anesthetic and/or steroid. G0HHH would be given status indicator N, and G0JJJ would be assigned to APC 0204.

(4) G0KKK—Prostate Brachytherapy—we are proposing this code to implement our policy decision discussed in section III.C.3 of this proposed rule.

(5) G0LLL and G0MMM—Observation Care—we are proposing to create these codes to describe observation care provided to a patient who is directly admitted from a physician's office to a hospital for observation care. These codes are discussed in detail in section VIII.B of this rule.

(6) G0NNN, G0OOO; Drug Eluting Stents—

Drug-Eluting Stents

Drug-eluting coronary artery stents (referred to as “drug-eluting stents” in the discussion that follows) have been developed to combat the problem of restenosis of blood vessels previously treated for stenosis. The drug is coated on a stent with a special polymer, and after the stent is placed in the vessel, the drug is slowly released into the vessel wall tissue over a period of 30 to 45 days. The drug coating on the stent is intended to prevent the build-up of scar tissue that can narrow the reopened artery. The FDA has not yet approved this technology for general use. We understand the earliest date that a decision from the FDA is anticipated is late 2002.

We received an application to establish a new medical device category eligible for transitional pass-through payment under the OPPS for drug-eluting stents from a manufacturer of these stents. In the application for the new device category, the manufacturer asserts that drug-eluting stents meet the criteria for establishing a new device category that were set forth in the November 2, 2001
Federal Register
. Specifically, the manufacturer believes a new device category is appropriate because drug-eluting stents meet the cost significance thresholds for a new device category, and they provide substantial therapeutic benefit to Medicare beneficiaries compared to other available therapies for coronary atherosclerosis.

Based on our review of the application as well as other information pertaining to drug-eluting stents, we determined that drug-eluting stents are described by an existing pass-through device category. As we discuss in section III.D of this preamble, section 1833(t)(6)(B)(ii)(IV) of the Act requires that a new category must include medical devices for which no existing category, or one previously in effect, is appropriate. In the program memorandum that we issued to our contractors on March 22, 2001 (Transmittal A-01-41) with instructions for the implementation of category codes for use in making transitional pass-through payments for devices, we established two categories that describe and could be used to bill for drug-eluting stents: HCPCS code C1874, Stent, coated/covered, with delivery system, and HCPCS code C1875, Stent, coated/covered, without delivery system. These two categories were based on devices that previously qualified for transitional pass-through payment on an item-specific basis. Although these two device categories are among those that will sunset after December 31, 2002, as we discuss in section III.C of this preamble, the fact that they exist precludes the establishment of a new device category for drug-eluting stents.

Payment for drug-eluting stents is not allowed under the OPPS until they receive FDA approval for general use. If the drug-eluting stents are approved for general use by the FDA, payment would be packaged into the APC payment for the procedures with which the stents are used. The cost of drug-eluting stents would be incorporated within the APC relative payment weights when we recalibrate the payment weights in CY 2005 using CY 2003 claims data.

In considering how we would pay for drug eluting stents under OPPS we thought carefully about how the payment should relate to payment for these stents under IPPS. Section 533 of BIPA added sections 1886(d)(5)(K) and (d)(5)(L) to the Act (as implemented by § 42 CFR 412.87 and 412.88 ) to reduce the time needed under the hospital inpatient PPS for the DRG system to recognize the higher costs of new technologies that meet certain criteria. Drug-eluting stents did not meet the inpatient PPS new technology cost threshold criterion in the May 9, 2002 proposed rule to update the hospital inpatient PPS for FY 2003. Therefore, in that proposed rule, we listed a new ICD-9 procedure code 36.07 (Insertion of drug-eluting coronary artery stent(s)) that would be effective for use October 1, 2002. We also proposed to add ICD-9 code 00.55 (Insertion of drug-eluting noncoronary artery stent) (67 FR 31630). To be consistent with our prior practice of assigning new technology to the same DRGs to which its predecessor technologies were assigned, we proposed in the May 9 inpatient PPS proposed rule to assign inpatient cases involving ICD-9 code 36.07 to DRG 517 (Percutaneous Cardiovascular Procedure with Coronary Artery Stent without AMI).

However, comments to the May 9, 2002 proposed IPPS rule and our own further consideration of this issue persuaded us that a different approach was needed for the IPPS given the preliminary evidence that drug-eluting stents could prove potentially to be transformational technology in the treatment of coronary artery disease. While this technology is not yet approved for general use by FDA, commenters to the May 9 hospital inpatient PPS proposed rule reported that drug-eluting stents have shown promise to significantly advance the treatment of coronary artery disease, and they encouraged CMS to consider the available data to determine the most appropriate DRG payment. Commenters supported reassignment of the new procedure codes for drug-eluting stent insertions to higher paying DRGs or, if necessary, the modification of all affected DRGs, once verifiable data on the costs associated with drug-eluting stents become available.

Many of the commenters who supported higher payment under the inpatient PPS for this technology were clinical practitioners and hospitals, who expressed great anticipation for the potential benefits of this technology. In addition, commenters referred to the likelihood that, once approved, patients would demand to have these new drug-

eluting stents, putting tremendous financial strain on hospitals.

Commenters to the proposed rule for the inpatient PPS for FY 2003 also argued there should be long-term cost savings to the Medicare program and the health system generally from this technology after approval by the FDA. Specifically, if dramatically fewer patients require restenting, savings will result from fewer repeat angioplasty procedures. And, to the extent bypass surgeries are reduced, savings would result from that outcome as well.

In responding to these commenters in the inpatient final rule published in the
Federal Register
on August 1, 2002 (67 FR 50003), we noted that, although the FDA has not yet approved this technology for general use, public presentation of the results from recent clinical trials have found virtually no in-stent restenosis in patients treated with the drug-eluting stent. Therefore, we recognize the potentially significant impact this technology may conceivably have on the treatment of coronary artery blockages.

We are concerned that, if the FDA does approve this technology and the predictions of its rapid, widespread use are accurate, significant strain on hospital financial resources would result. In particular, we are concerned that the higher costs of this technology would create undue financial hardships for hospitals due to the high volume of stent cases and the fact that a large proportion of these cases could involve the new technology soon after FDA approval. Therefore, in the final rule for the FY 2003 inpatient PPS, we implemented an unprecedented approach in response to the unique circumstances surrounding the potential breakthrough nature of this technology and we created two new DRGs to reflect cases involving the insertion of a drug-eluting coronary artery stent. We discuss in detail in the final inpatient PPS rule our rationale for establishing these DRGs (67 FR 50003-50005).

Although the clinical trials for drug-eluting stents are being conducted on hospital inpatients, our 2001 hospital outpatient claims data included nearly 18,000 claims for procedures utilizing other types of coronary stents in the hospital outpatient setting. Every indication points to a steady increase in the future volume of coronary stent procedures performed on an outpatient basis. The same concerns that we express above about the impact of the advent of drug-eluting stents on hospital resources apply to procedures performed in the outpatient setting as well as the inpatient setting. We created these new DRGs for drug-eluting stents to ensure and promote beneficiary access to the best care possible by ensuring that our payment system keeps pace with what we believe will be a growing volume of coronary stent procedures if FDA approves drug-eluting coronary artery stents. We want to ensure that the costs of drug-eluting stents will be recognized sufficiently quickly to ensure beneficiary access in the outpatient setting over the 2 years that it will take for the costs of these devices to appear in the Medicare data on which we will base Medicare payments for them.

Drug-eluting stents may have been commercially marketed for 2 years by the time cost data for stent insertion procedures performed in CY 2003 are incorporated into the APC relative weights under the OPPS for CY 2005. Therefore, as we have done under the inpatient PPS for FY 2003 under these exceptional circumstances, we propose to deviate from our standard OPPS payment methodology to ensure consistent payment for drug-eluting stents in both the inpatient and outpatient settings; to ensure that hospital resources are not negatively affected by a sudden surge in demand for this new technology if FDA approval is received; and, to ensure that Medicare payment does not impede beneficiary access to what appears to be a potentially landmark advance in the treatment of coronary disease. Consistent with the special approach we implemented in the inpatient PPS final rule, we propose to create two new HCPCS codes and a new APC that may be used to pay for the insertion of coronary artery drug-eluting stents under the OPPS, to be effective if these stents receive FDA approval for general use. Of course, as with other new procedures, FDA approval does not mean that Medicare will always cover the approved item. Medicare coverage depends upon whether an item or service is medically necessary to treat illness or injury as determined by Medicare contractors based on the specifics of individual cases.

The new HCPCS codes that we propose are as follows: G0NNN—Transcatheter placement of a drug eluting intracoronary stent(s), percutaneous, with or without other therapeutic intervention, any method; single vessel G0OOO—Transcatheter placement of a drug eluting intracoronary stent(s), percutaneous, with or without other therapeutic intervention, any method; each additional vessel.

We propose to assign G0NNN and G0OOO to new APC 0656, Transcatheter Placement of Drug-Eluting Coronary Stents, with a status indicator of T.

To establish a payment amount for the proposed new APC, we propose to apply the same assumptions that we used in establishing the weights for DRG 526 (Percutaneous Cardiovascular Procedure with Drug-Eluting Stent with AMI) and DRG 527 (Percutaneous Cardiovascular Procedure With Drug-Eluting Stent Without AMI) as described in the final rule implementing the FY 2003 inpatient PPS. That is, based on prices in countries where drug-eluting stents are currently being used, manufacturer information and information furnished in response to the May 9, 2002 IPPS proposed rule, and the average price of currently available stents, we assume a price differential of approximately $1,200. Using an average of 1.5 stents per procedure, we propose to add $1,200 to the median costs established for APC 0104 based on 2001 claims data. We would then calculate a relative payment weight and payment rate for APC 0656 in accordance with the methodology that we discuss in section II.B. of this preamble. By taking this approach, we believe that payment for drug-eluting stents would be balanced between the OPPS and the inpatient PPS, minimizing the incentive to use payment as the basis for determining where to furnish this new technology.

We are taking the extraordinary temporary measure of establishing this APC and pricing it as we propose only because we have been advised by experts that these stents can be expected to revolutionize the provision of coronary care and can be expected to supplant use of existing stents. While the statute contemplates the difficulties of setting OPPS payments for new devices by providing the transitional pass-through mechanism, that mechanism does not work in this circumstance since these devices fall into a previously existing device category and do not meet the test for inclusion in new technology APCs. However, the law permits us to take into account changes in technology and the addition of new factors (See section 1833(t)(9)(A)) of the Act. In this case, we think the impact of this new technology will be so great compared to other new technologies that, to ensure beneficiary access to state-of-the-art medical care, we believe that we need to create new codes and a separate APC, paid based on the best information currently available, to ensure adequate payment to providers and access to care during the first 2 years of the device's existence. To undertake this methodology in other cases, we would

have to be similarly convinced that the technology would not qualify for pass-through payment nor new technology APC payment, that it will revolutionize the provision of care and that it will replace an existing technology. As indicated previously, this payment mechanism would be a temporary one that would exist only until 2005, at which point we would have sufficient data to determine how to pay for these devices under the standard OPPS methodology for setting payment amounts.

We propose to implement payment under APC 0656 effective April 1, 2003, consistent with the effective date for implementation of the drug-eluting DRGs under the OPPS and contingent upon FDA approval by that date. If the FDA grants approval prior to April 1, 2003, hospitals would be paid for insertion of coronary artery drug-eluting stents under APC 104.

We are proposing to establish the new HCPCS codes and APC group for coronary artery drug-eluting stents to allow close tracking of the utilization and costs associated with these services. Once we obtain adequate cost data for coronary artery drug-eluting stents, we propose to incorporate these data into the current CPT codes for coronary stent placement. We invite comments on this proposed methodology for recognizing the additional costs of drug-eluting stents under the OPPS.

It is important to emphasize that we anticipate that the vast majority of new technologies in the future will continue to be routinely incorporated into the existing DRGs or through the new technology add-on payments under the inpatient PPS. Similarly, we expect in the future to continue to make payment under the OPPS for the vast majority of new technologies through the existing provisions for transitional pass-through payments for new devices, drugs, and biologicals and through new technology APCs.

4. Recalibration of APC Weights for 2003

Section 1833(t)(9)(A) of the Act requires that the Secretary review and revise the relative payment weights for APCs at least annually, beginning in 2001 for application in 2002. In the April 7, 2000 final rule (65 FR 18482), we explained in detail how we calculated the relative payment weights that were implemented on August 1, 2000 for each APC group. Except for some reweighting due to APC changes, these relative weights continued to be in effect for 2001. (See the November 13, 2000 interim final rule (65 FR 67824 to 67827).)

To recalibrate the relative APC weights for services furnished on or after January 1, 2003 and before January 1, 2004, we are proposing to use the same basic methodology that we described in the April 7, 2000 final rule. That is, we would recalibrate the weights based on claims and cost report data for outpatient services. We propose to use the most recent available data to construct the database for calculating APC group weights. For the purpose of recalibrating APC relative weights for 2003, the most recent available claims data are the approximately 110 million final action claims for hospital outpatient department services furnished on or after January 1, 2001 and before January 1, 2002 and processed through March 2002. Many of these 110 million claims were for services that are not paid under OPPS (such as, clinical laboratory tests). We matched the claims that are paid under OPPS to the most recent cost report filed by the individual hospitals represented in our claims data. The APC relative weights would continue to be based on the median hospital costs for services in the APC groups.

a. Data Issues

(1) Treatment of “Multiple Procedure” Claims

We have received many requests (through an April Town Hall meeting and other sources of contact with the public) asking that we ensure that the data from claims that contain charges for multiple procedures are included in the data from which we calculate the 2003 relative payment weights. They believe that relying solely on single procedure claims to recalibrate APC weights fails to take into account data for many frequently performed procedures, particularly those commonly performed in combination with other procedures.

We agree that optimally, it is desirable to use the data from as many claims as possible to recalibrate the relative payment weights, including those with multiple procedures. We identified certain multiple procedure claims that could be treated as single procedure claims, enabling us to greatly increase the number of services used to develop the APC payment weights for 2003. However, several inherent features of multiple bill claims prevented us from using all of them to recalibrate the payment weights. We discuss these obstacles below.

There are four scenarios that occur when multiple procedures are billed on a claim that result in our being unable to use all of those claims to recalibrate the APC weights. In each case, the underlying problem is that there are charges on the claim that we are unable to correctly associate with the HCPCS codes for the procedures on the claim (that is, payable HCPCS codes). In general, we are unable to determine with confidence what portion of those charges should be packaged into the charges for each of the procedures on the claim. The different scenarios that we describe below may occur singly or in combination on the same claim.

In the first scenario, costs associated with outpatient hospital services are reported in revenue centers that cannot be associated with individual HCPCS codes because they are ancillary and supportive of some or all services furnished to the beneficiary. We do not require that hospitals assign a HCPCS code to each revenue center and charge or that they split the charges within revenue centers by HCPCS code because they advise us that they are unable to account for costs in this manner. In addition, to collect and report this information would be burdensome and costly.

Where there is only one HCPCS code for a procedure on the claim, we can assign supporting charges in revenue centers to the single HCPCS code. However, when there are two or more HCPCS codes for procedures on the claim, we have no basis for allocating appropriately the ancillary charges reported under revenue centers to the HCPCS codes for separately payable procedures. For example, a claim containing HCPCS codes for a visit and a surgical procedure may show charges under the revenue center for family clinic (517) for the visit and under operating room (360) for the surgery. But in addition, the claim could show charges under the following revenue centers without assigning a HCPCS code to the revenue center: recovery room (710), charge A for sterile supplies (272), charge B for sterile supplies (272), anesthesia (370), and pharmacy (250). If only a single HCPCS code was billed, we could sum the charges shown under the ancillary revenue centers and attribute those charges to the HCPCS code for the single HCPCS code that was billed. However, because there is more than one separately payable code on the claim (clinic visit and surgery), we do not know which charge for sterile supplies should be mapped to the visit and which should be assigned to the surgery. Similarly, there is nothing on the claim to indicate whether the total pharmacy charge is associated with the surgery or with the clinic visit, or split between them. For this type of multiple procedure claim, we have chosen to

exclude the claim from the pool of charges used to calculate median APC costs rather than risk assigning the ancillary revenue center charges incorrectly. This type of multiple procedure claim, often much more complex than this example, accounts for a significant portion of the multiple procedure claims that we are unable to use to recalibrate payment weights.

In the second scenario, we are unable to correctly assign to procedures the charges for HCPCS codes that we package into other procedures. HCPCS codes with status indicator “N” are not paid separately. Rather, the payment for these packaged items or services is recognized in the payment for a service or services billed on the same claim for which there is an APC payment rate. In calculating the median costs, we have to know where to incorporate the charges shown for the HCPCS code with status indicator “N.” When a packaged HCPCS codes is on a claim that also bills for more than one primary procedure (that is, procedures for which we make separate payment), we do not know with which of the procedures the charges for the packaged HCPCS code should be associated, or whether the charges for the packaged HCPCS code should be apportioned on some basis among the multiple primary procedures.

In the third scenario, in the case of multiple surgical procedures, our billing instructions permit hospitals to show charges for only one surgical procedure code although they report more than one surgical HCPCS code. Specifically, this billing convention has long been permitted in Medicare Intermediary Manual section 3626.4B3 and was reconfirmed by Medicare Transmittal A-01-50, which was issued on April 12, 2001
(http://www.hcfa.gov/pubforms/transmit/A0150.pdf)
in response to hospital requests that we clarify whether they were required to create and report charges for each HCPCS code for each surgical service billed on a claim. We believe that to report charges for each HCPCS code for surgical services would have imposed an additional accounting and billing burden on hospitals that had not previously existed. This would have been in addition to the changes to the claims format and instructions that hospitals had recently made to accommodate OPPS and our other initiatives. As in the case of the ancillary services billed under revenue centers, the charges for each HCPCS code for the surgery were not needed to ensure that correct payment was made on the claim (since payment was made based on the code's APC assignment and not on reported charges).

However, because hospitals are permitted to report operating room charges for only one of the multiple surgical procedures on a claim, we are unable to identify a valid means of apportioning the operating room charges to the other procedures that were performed. We are not aware of any research on comparative hospital outpatient department (OPD) resource consumption by HCPCS codes that would indicate how to apportion a total charge among the individual codes on the claim. Moreover, these multiple surgical procedure claims frequently have problems similar to those discussed above in scenario one. Therefore, we are unable to use data from multiple surgery claims that are submitted in this form to calculate APC median costs.

In the fourth scenario are claims with multiple units of the same HCPCS code billed with charges in revenue centers or packaged HCPCS codes. In this case, we cannot determine the appropriate distribution of charges on the claim between the first and subsequent units of the HCPCS code. To approximate the charges that would occur if single rather than multiple units of the HCPCS code were billed, we would have to inflate the charges for the second and subsequent units of the service, which would eliminate the impact of the efficiencies that we believe occur when second and subsequent units of a procedure are performed. There are no data to suggest an appropriate factor to apportion charges for the second and subsequent units.

We considered several methods of apportioning charges from revenue centers and packaged HCPCS codes to enable us to use charge data from multiple procedure claims in the calculation of APC weights, but none of these methods was sufficient to yield cost data that we could be assured were valid. Specifically, we considered dividing the total charges in a revenue center or for a packaged HCPCS code by the number of payable HCPCS codes for multiple procedures on the claim. In the example of a claim for a visit code and a surgical code with the revenue center for sterile supplies billed twice on the same claim, we would sum the charges for sterile supplies, divide the sum by 2, and add the resulting divided charges for sterile supplies to the charges for each HCPCS code. The single pharmacy charge would be divided by 2, and half of the pharmacy charge would be added to each HCPCS code. We rejected this approach because of concern about whether it is likely to be sufficiently accurate to serve as a reasonable means of apportioning charges.

We also considered apportioning the charges among the codes based on physician work relative value units (RVUs) because time is a major factor in the establishment of physician work RVUs under the Medicare fee schedule for physician services. Time may be reflective of the comparative amount of resources used by the hospital for different surgical procedures, particularly charges for operating rooms, recovery rooms, and observation rooms. However, physician work RVUs also depend in part on the intensity and difficulty of the work of a physician in providing a service and would therefore not necessarily reflect accurately the relative resources a hospital would expend for the same procedure. Moreover, we do not believe that time appropriately reflects the use of resources such as pharmacy and supplies.

We then considered apportioning the charges among the codes based on physician nonfacility practice expense RVUs because practice expense RVUs reflect relative resource utilization for these services. However, we have no evidence that the relative practice expenses of physicians correlate with the resources that a hospital would use for the same service. Moreover, physician practice expenses are minimal for the many services typically furnished in a facility rather than the physician's office. For these services, the practice expense RVU reflects only minimal expenses for services, such as the physician's billing costs. They are, therefore, an inadequate proxy for the facility costs, such as supplies, drugs, equipment, nursing services, and overhead costs incurred by hospitals.

In summary, we concluded that the inherent drawbacks of these methodologies would outweigh any potential advantages accrued from the resulting increase in data used to calculate APC median costs. Without evidence to the contrary, we believe that applying these arbitrary methods of apportioning costs to multiple procedure claims would yield results that are less reliable and valid than continuing to rely on single procedure claims in calculating APC median costs.

We solicit public comment on the methods we considered for apportioning the total charges to individual HCPCS codes as described above. We also invite suggestions of other alternative means of apportioning the total costs on multiple procedure claims to the HCPCS codes for the procedures so that we can use more data from multiple procedure claims in the 2004 update of the OPPS.

We also solicit information on existing studies that would provide

comparative hospital outpatient resource inputs by HCPCS code. In addition, we welcome suggestions for studies that we might undertake either to determine the relative value of OPD resources by HCPCS code or to provide a valid means of apportioning the charges among HCPCS codes when multiple surgical procedures are billed on the same claim with a single total charge for all services.

Further, we ask for comments on the feasibility of requiring hospitals to apportion all charges currently shown in revenue centers to the HCPCS codes billed so that we could use all multiple services claims in the calculation of the relative weights. For example, where the patient received multiple surgeries on the same day or received a visit and a procedure on the same day, the hospital would have to create a charge for each billable HCPCS code and that charge would have to encompass all charges for OR, recovery room, pharmacy, supplies, etc. that were relevant to that code. No charges would be billed under revenue centers alone or with packaged HCPCS codes (that is, HCPCS codes having a status indicator of N) since all charges would be reported under associated payable HCPCS codes. There would have to be corollary changes in completion of the cost report. Also, because hospitals must have a uniform charge structure, providers would need to charge all other payers and private pay patients in the same manner as they would be required to charge Medicare.

We are particularly interested in the views of hospitals and billing experts weighing the burden that could be created by these changes in billing rules relative to the potential benefit of calculating more precise OPPS payment rates that incorporate data from multiple procedure claims.

Finally, we solicit information regarding the extent to which efficiencies are realized when multiple services are furnished during the same visit or operative session. We currently discount the APC payment for the second and subsequent procedures performed during a single encounter by 50 percent in the expectation that the same efficiencies of service that are demonstrated to exist in the provision of physician services also exist in the provision of outpatient hospital services. In general, when a second or subsequent service is performed at the same time as an initial service, we believe that the combined resource costs associated with operating room time, recovery room time, anesthesia, supplies, and other services are less than if the procedures were performed separately. However, we are interested in empirical data regarding the extent to which these efficiencies of resource consumption actually occur.

(2) Calendar Year 2002 Charge Data for Pass-Through Device Categories

HCPCS coding for medical devices that qualified for transitional pass-through payment for services furnished in 2001 occurred in two different ways. (A detailed discussion of the provisions authorizing transitional pass-through payments for certain medical devices and drugs and biologicals can be found in section III of this preamble.) From August 1, 2000 until April 1, 2001, claims for medical devices that were paid on a pass-through basis were coded using device specific codes that were often manufacturer specific. BBRA required that, effective April 1, 2001, claims for medical devices eligible for transitional pass-through payment were to be billed using codes that applied to categories of devices. We issued the applicable category codes in Program Memoranda, Transmittals A-01-40 and A-01-41. We posted them on our web site at
http://www.hcfa.gov/pubforms/transmit/A0140.pdf
and
http://www.hcfa.gov/pubforms/transmit/A0141.pdf,
respectively. The change to the use of category codes, rather than device specific codes, simplified coding and also expanded the number of devices that were eligible for transitional pass-through payment. The expansion occurred because devices that fit the categories but that had previously not met the criteria for transitional pass-through payments could now be billed for a transitional pass-through payment.

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Source: Frix Law Library, https://www.frixlaw.com/law-library/documents/fr%3A02-20146. Public record. Not legal advice.
