P9099 — Blood component or product not otherwise classified
P9099 is a HCPCS Level II code for blood component or product not otherwise classified. It belongs to the Pathology and Laboratory Services section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
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 P9099 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
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Service/Procedure
- outpatient
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Service/Procedure
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 P9099
- Long descriptor
- Blood component or product not otherwise classified
- Short descriptor
- Blood component/product noc
- Added
- January 1, 2020
- 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 P9099
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If P9099 is not quite right, the correct code is very often within a few positions of it.
- P9057Red blood cells, frozen/deglycerolized/washed, leukocytes reduced, irradiated, each unit
- P9058Red blood cells, leukocytes reduced, cmv-negative, irradiated, each unit
- P9059Fresh frozen plasma between 8-24 hours of collection, each unit
- P9060Fresh frozen plasma, donor retested, each unit
- P9070Plasma, pooled multiple donor, pathogen reduced, frozen, each unit
- P9071Plasma (single donor), pathogen reduced, frozen, each unit
- P9072Platelets, pheresis, pathogen reduced or rapid bacterial tested, each unitterminated
- P9073Platelets, pheresis, pathogen-reduced, each unit
- P9100Pathogen(s) test for platelets
- P9603Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated miles actually travelled
- P9604Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated trip charge
- P9612Catheterization for collection of specimen, single patient, all places of service
- P9615Catheterization for collection of specimen(s) (multiple patients)
- Q0035Cardiokymography
- Q0081Infusion therapy, using other than chemotherapeutic drugs, per visit
- Q0083Chemotherapy administration by other than infusion technique only (e.g., subcutaneous, intramuscular, push), per visit
Questions about P9099
What is HCPCS code P9099?
P9099 is a HCPCS Level II code for blood component or product not otherwise classified. It sits in the Pathology and Laboratory Services section.
Does Medicare cover P9099?
The CMS HCPCS file marks P9099 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is P9099 paid under the physician fee schedule?
P9099 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.