Q0510 HCPCS code: Pharmacy supply fee for initial immunosuppressive drug(s), first month following transplant
Q0510 is the HCPCS Level II code for pharmacy supply fee for initial immunosuppressive drug(s), first month following transplant. In 2024 Medicare paid an average of $37.18 per service for Q0510 across 10,547 services. 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 1 per day on DME suppliers. Medicare volume fell 6% from 2022 to 2024 (11,174 to 10,547 services). In 2024, 2,749 suppliers billed Medicare for Q0510 (purchases), serving 10,533 beneficiaries; California, Texas, Florida accounted for 27% of services.
Code details
| Field | Value |
|---|---|
| Section | Q codes — Temporary codes |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 46 — Priced by the Medicare contractor (no national fee) |
| BETOS category | O1E — Other drugs |
| Added | 2006-01-01 |
| Last action effective | 2006-01-01 |
Who bills Q0510 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 2,749 |
| Referring clinicians | 4,106 |
| Medicare beneficiaries | 10,533 |
| States with claims | 48 |
| Share of services in top 3 states (California, Texas, Florida) | 27% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 2,533 | 11,136 |
| 2023 | 2,679 | 11,129 |
| 2024 | 2,749 | 10,533 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q0510, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 11,174 | 11,136 | $49.99 | $38.06 |
| 2023 | 11,160 | 11,129 | $50.00 | $37.19 |
| 2024 | 10,547 | 10,533 | $49.99 | $37.18 |
States with the most Q0510 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 1,259 | $37.61 |
| Texas | 814 | $37.71 |
| Florida | 802 | $36.83 |
| New York | 659 | $36.80 |
| Illinois | 482 | $37.96 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 1 | CMS Policy |
| outpatient hospital claims | 1 | CMS Policy |
Medicare policy articles for this code
- A52474: Immunosuppressive Drugs - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (64 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| T86.00 | Unspecified complication of bone marrow transplant | 1 |
| T86.01 | Bone marrow transplant rejection | 1 |
| T86.02 | Bone marrow transplant failure | 1 |
| T86.03 | Bone marrow transplant infection | 1 |
| T86.09 | Other complications of bone marrow transplant | 1 |
| T86.10 | Unspecified complication of kidney transplant | 1 |
| T86.11 | Kidney transplant rejection | 1 |
| T86.12 | Kidney transplant failure | 1 |
| T86.13 | Kidney transplant infection | 1 |
| T86.19 | Other complication of kidney transplant | 1 |
Showing 10 of 64. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for Q0510
- 2006-01-01: Q0510 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 Q0510?
Q0510 is the HCPCS Level II code for pharmacy supply fee for initial immunosuppressive drug(s), first month following transplant. Short descriptor: "Dispens fee immunosupressive".
How much does Medicare pay for Q0510?
In 2024, the average Medicare payment was $37.18 per service (average allowed $49.99).
Does Medicare cover Q0510?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Which diagnoses support coverage for Q0510?
Medicare policy articles that cite Q0510 list 64 covered ICD-10-CM diagnosis codes across 1 article. The most cited include T86.00 (Unspecified complication of bone marrow transplant), T86.01 (Bone marrow transplant rejection), T86.02 (Bone marrow transplant failure). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of Q0510 can be billed per day?
1 on DME suppliers; 1 on outpatient hospital claims (NCCI medically unlikely edits).
Related Q05 codes
- Q0500 — Filters for use with electric or electric/pneumatic ventricular assist device, replacement only ($36.71–$40.36)
- Q0501 — Shower cover for use with electric or electric/pneumatic ventricular assist device, replacement only ($613.75–$675.13)
- Q0502 — Mobility cart for pneumatic ventricular assist device, replacement only ($781.39–$859.54)
- Q0503 — Battery for pneumatic ventricular assist device, replacement only, each ($1,562.84–$1,719.11)
- Q0504 — Power adapter for pneumatic ventricular assist device, replacement only, vehicle type ($824.68–$907.15)
- Q0506 — Battery, lithium-ion, for use with electric or electric/pneumatic ventricular assist device, replacement only ($1,026.54–$1,129.20)
- Q0507 — Miscellaneous supply or accessory for use with an external ventricular assist device
- Q0508 — Miscellaneous supply or accessory for use with an implanted ventricular assist device
- Q0509 — Miscellaneous supply or accessory for use with any implanted ventricular assist device for which payment was not made under medicare part a
- Q0511 — Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period
- Q0512 — Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period
- Q0513 — Pharmacy dispensing fee for inhalation drug(s); per 30 days
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under Q0510
- Watch Q0510 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q0510
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.