P9033 — Platelets, leukocytes reduced, irradiated, each unit
P9033 is a HCPCS Level II code for platelets, leukocytes reduced, irradiated, each unit. It belongs to the Pathology and Laboratory Services section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusX
Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of P9033 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 12 units MAI 3 — Date of Service Edit: Clinical · Clinical: CMS Workgroup
- outpatient
- 12 units MAI 3 — Date of Service Edit: Clinical · Clinical: Data
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for P9033
- Long descriptor
- Platelets, leukocytes reduced, irradiated, each unit
- Short descriptor
- Platelets leukoreduced irrad
- Added
- January 1, 2001
- BETOS
- T1H
- Pricing indicator
- 52 — Other
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Reasonable charge.
Codes adjacent to P9033
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If P9033 is not quite right, the correct code is very often within a few positions of it.
- P9021Red blood cells, each unit
- P9022Red blood cells, washed, each unit
- P9023Plasma, pooled multiple donor, solvent/detergent treated, frozen, each unit
- P9025Plasma, cryoprecipitate reduced, pathogen reduced, each unit
- P9026Cryoprecipitated fibrinogen complex, pathogen reduced, each unit
- P9027Red blood cells, leukocytes reduced, oxygen/ carbon dioxide reduced, each unit
- P9031Platelets, leukocytes reduced, each unit
- P9032Platelets, irradiated, each unit
- P9034Platelets, pheresis, each unit
- P9035Platelets, pheresis, leukocytes reduced, each unit
- P9036Platelets, pheresis, irradiated, each unit
- P9037Platelets, pheresis, leukocytes reduced, irradiated, each unit
- P9038Red blood cells, irradiated, each unit
- P9039Red blood cells, deglycerolized, each unit
- P9040Red blood cells, leukocytes reduced, irradiated, each unit
- P9041Infusion, albumin (human), 5%, 50 ml
Questions about P9033
What is HCPCS code P9033?
P9033 is a HCPCS Level II code for platelets, leukocytes reduced, irradiated, each unit. It sits in the Pathology and Laboratory Services section.
Does Medicare cover P9033?
The CMS HCPCS file marks P9033 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is P9033 paid under the physician fee schedule?
P9033 carries PFS status code X. Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.