# WAC 182-550-1350: WAC 182-550-1350. Revenue code categories and subcategories — CPT and HCPCS reporting requirements for outpatient hospitals > Washington · Regulations · In force URL: https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1350 ## Section - **Citation:** WAC 182-550-1350 - **Heading:** WAC 182-550-1350. Revenue code categories and subcategories — CPT and HCPCS reporting requirements for outpatient hospitals - **Jurisdiction:** Washington - **Kind:** Regulations - **Status:** In force - **Text as of:** August 14, 2026 - **Source:** Compiled text - **Location:** Washington Administrative Code / Title 182 / Chapter 182-550 / Section 182-550-1350 ## Text (1) The medicaid agency requires an outpatient hospital provider to report the appropriate current procedural terminology (CPT) or health care common procedure coding system (HCPCS) codes in addition to the required revenue codes on an outpatient claim line when using any of the following revenue code categories and subcategories: (a) "IV therapy," only subcategories "general classification" and "infusion pump"; (b) "Medical/surgical supplies and devices," only subcategory "other supplies/devices"; (c) "Oncology"; (d) "Laboratory"; (e) "Laboratory pathological"; (f) "Radiology - Diagnostic"; (g) "Radiology - Therapeutic and/or chemotherapy administration"; (h) "Nuclear medicine"; (i) "CT scan"; (j) "Operating room services," only subcategories "general classification" and "minor surgery"; (k) "Blood and blood components"; (l) "Administration, processing, and storage for blood components"; (m) "Other imaging services"; (n) "Respiratory services"; (o) "Physical therapy"; (p) "Occupational therapy"; (q) "Speech therapy - Language pathology"; (r) "Emergency room," only subcategories "general classification" and "urgent care"; (s) "Pulmonary function"; (t) "Audiology"; (u) "Cardiology"; (v) "Ambulatory surgical care"; (w) "Clinic," only subcategories "general classification" and "other clinic"; (x) "Magnetic resonance technology (MRT)"; (y) "Medical/surgical supplies - Extension," only subcategory "surgical dressings"; guage pathology"; (r) "Emergency room," only subcategories "general classification" and "urgent care"; (s) "Pulmonary function"; (t) "Audiology"; (u) "Cardiology"; (v) "Ambulatory surgical care"; (w) "Clinic," only subcategories "general classification" and "other clinic"; (x) "Magnetic resonance technology (MRT)"; (y) "Medical/surgical supplies - Extension," only subcategory "surgical dressings"; (z) "Pharmacy - Extension" subcategories "Erythropoietin (EPO) less than ten thousand units," "Erythropoietin (EPO) ten thousand or more units," "drugs requiring detailed coding," and "self-administrable drugs"; (aa) "Labor room/delivery," only subcategories "general classification," "labor," "delivery," and "birthing center"; (bb) "EKG/ECG (electrocardiogram)"; (cc) "EEG (electroencephalogram)"; (dd) "Gastro-intestinal services"; (ee) "Specialty room - Treatment/observation room," subcategory "treatment room and observation room"; (ff) "Telemedicine," only subcategory "other telemedicine"; (gg) "Extra-corporeal shock wave therapy (formerly lithotripsy)"; (hh) "Acquisition of body components," only subcategories "general classification" and "cadaver donor"; (ii) "Hemodialysis - Outpatient or home," only subcategory "general classification"; (jj) "Peritoneal dialysis - Outpatient or home," only subcategory "general classification"; (kk) "Continuous ambulatory peritoneal dialysis (CAPD) - Outpatient or home," only subcategory "general classification"; (ll) "Continuous cycling peritoneal dialysis (CCPD) - Outpatient or home," only subcategory "general classification"; (mm) "Miscellaneous dialysis," only subcategories "general classification" and "ultrafiltration"; (nn) "Behavioral health treatments/services," only subcategory "electroshock therapy"; (oo) "Other diagnostic services"; (pp) "Other therapeutic services," only subcategories "general classification," "cardiac rehabilitation," and "other therapeutic service"; and (qq) Other revenue code categories and subcategories identified and published by the agency. eral classification" and "ultrafiltration"; (nn) "Behavioral health treatments/services," only subcategory "electroshock therapy"; (oo) "Other diagnostic services"; (pp) "Other therapeutic services," only subcategories "general classification," "cardiac rehabilitation," and "other therapeutic service"; and (qq) Other revenue code categories and subcategories identified and published by the agency. (2) For an outpatient claim line requiring a CPT or HCPCS code, the agency denies payment if the required code is not reported on the line. ## Nearby sections - [WAC 182-550-1000 WAC 182-550-1000. Applicability](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1000.md) - [WAC 182-550-1050 WAC 182-550-1050. Hospital services definitions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1050.md) - [WAC 182-550-1100 WAC 182-550-1100. Hospital care — General](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1100.md) - [WAC 182-550-1200 WAC 182-550-1200. Restrictions on hospital coverage](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1200.md) - [WAC 182-550-1300 WAC 182-550-1300. Revenue code categories and subcategories](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1300.md) - [WAC 182-550-1350 WAC 182-550-1350. Revenue code categories and subcategories — CPT and HCPCS reporting requirements for outpatient hospitals](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1350.md) - [WAC 182-550-1400 WAC 182-550-1400. Covered and noncovered revenue code categories and subcategories for inpatient hospital services](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1400.md) - [WAC 182-550-1500 WAC 182-550-1500. Covered and noncovered revenue code categories and subcategories for outpatient hospital services](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1500.md) - [WAC 182-550-1600 WAC 182-550-1600. Specific items/services not covered](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1600.md) - [WAC 182-550-1650 WAC 182-550-1650. Adverse events, hospital-acquired conditions, and present on admission indicators](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1650.md) - [WAC 182-550-1700 WAC 182-550-1700. Authorization and utilization review (UR) of inpatient and outpatient hospital services](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1700.md) - [WAC 182-550-1800 WAC 182-550-1800. Hospital specialty services not requiring prior authorization](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1800.md) - [WAC 182-550-1900 WAC 182-550-1900. Transplant coverage](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1900.md) - [WAC 182-550-2100 WAC 182-550-2100. Requirements — Transplant facilities](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_2100.md) --- Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_182_550_1350. Check the current official text before relying on it. Not legal advice.