P9021 – Red blood cells, each unit
HCPCS Level II code · P codes: Pathology and Laboratory Services
HCPCS codeP9021
- Long description
- Red blood cells, each unit
- Short description
- Red blood cells unit
- Pricing indicator
52Reasonable charge- Medicare coverage
DSpecial coverage instructions apply- BETOS category
T1HLab tests - other (Non-Medicare fee schedule)- Added
- January 1, 1987
- Last change
- January 1, 2001 – No change
Frequently asked questions
What is HCPCS code P9021?
P9021 is a HCPCS Level II code for red blood cells, each unit.
Does Medicare cover P9021?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby P codes
- P7001 – Culture, bacterial, urine; quantitative, sensitivity study
- P9010 – Blood (whole), for transfusion, per unit
- P9011 – Blood, split unit
- P9012 – Cryoprecipitate, each unit
- P9016 – Red blood cells, leukocytes reduced, each unit
- P9017 – Fresh frozen plasma (single donor), frozen within 8 hours of collection, each unit
- P9019 – Platelets, each unit
- P9020 – Platelet rich plasma, each unit
- P9022 – Red blood cells, washed, each unit
- P9023 – Plasma, pooled multiple donor, solvent/detergent treated, frozen, each unit
- P9025 – Plasma, cryoprecipitate reduced, pathogen reduced, each unit
- P9026 – Cryoprecipitated fibrinogen complex, pathogen reduced, each unit
- P9027 – Red blood cells, leukocytes reduced, oxygen/ carbon dioxide reduced, each unit
- P9031 – Platelets, leukocytes reduced, each unit
- P9032 – Platelets, irradiated, each unit
- P9033 – Platelets, leukocytes reduced, irradiated, each unit
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.