C9507 HCPCS code: Plasma, high titer covid-19 convalescent, each unit
C9507 is the HCPCS Level II code for plasma, high titer covid-19 convalescent, each unit. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 2 per day on outpatient hospital claims.
Code details
| Field | Value |
|---|---|
| Section | C codes — Outpatient PPS (hospital outpatient temporary codes) |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 53 |
| BETOS category | T1H |
| Added | 2021-12-28 |
| Last action effective | 2021-12-28 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 2 | Code Descriptor / CPT Instruction |
| practitioner claims | 2 | Code Descriptor / CPT Instruction |
What changed for C9507
- 2021-12-28: C9507 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code C9507?
C9507 is the HCPCS Level II code for plasma, high titer covid-19 convalescent, each unit. Short descriptor: "Covid-19 convalescent plasma".
Does Medicare cover C9507?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of C9507 can be billed per day?
2 on outpatient hospital claims; 2 on practitioner claims (NCCI medically unlikely edits).
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Next steps
- Run a reimbursement report for a device billed under C9507
- Watch C9507 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for C9507
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.