J9047 HCPCS code: Injection, carfilzomib, 1 mg
J9047 is the HCPCS Level II code for injection, carfilzomib, 1 mg. In 2024 Medicare paid an average of $37.76 per service for J9047 across 3,376,290 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 210 per day on outpatient hospital claims. Medicare volume fell 8% from 2022 to 2024 (3,680,014 to 3,376,290 services). In 2024, about 2,718 clinicians billed Medicare for J9047 for 2,358 beneficiaries; Florida, California, Texas accounted for 34% of services.
Code details
| Field | Value |
|---|---|
| Section | J codes — Drugs administered other than oral method |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1D — Chemotherapy |
| Added | 2014-01-01 |
| Last action effective | 2014-01-01 |
Who bills J9047 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 2,718 |
| Medicare beneficiaries | 2,358 |
| States with claims | 36 |
| Share of services in top 3 states (Florida, California, Texas) | 34% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J9047, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 3,680,014 | 2,526 | $41.50 | $33.13 |
| 2023 | 3,648,789 | 2,476 | $44.83 | $35.74 |
| 2024 | 3,376,290 | 2,358 | $47.23 | $37.76 |
States with the most J9047 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 411,739 | $37.77 |
| California | 380,606 | $37.91 |
| Texas | 322,687 | $37.82 |
| Virginia | 178,012 | $38.00 |
| Illinois | 170,425 | $37.96 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 210 | Prescribing Information |
| practitioner claims | 210 | Prescribing Information |
What changed for J9047
- 2014-01-01: J9047 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 J9047?
J9047 is the HCPCS Level II code for injection, carfilzomib, 1 mg. Short descriptor: "Injection, carfilzomib, 1 mg".
How much does Medicare pay for J9047?
In 2024, the average Medicare payment was $37.76 per service (average allowed $47.23).
Does Medicare cover J9047?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J9047 can be billed per day?
210 on outpatient hospital claims; 210 on practitioner claims (NCCI medically unlikely edits).
Related J90 codes
- J9000 — Injection, doxorubicin hydrochloride, 10 mg
- J9010 — Injection, alemtuzumab, 10 mg
- J9011 — Injection, datopotamab deruxtecan-dlnk, 1 mg
- J9015 — Injection, aldesleukin, per single use vial
- J9017 — Injection, arsenic trioxide, 1 mg
- J9019 — Injection, asparaginase (erwinaze), 1,000 iu
- J9020 — Injection, asparaginase, not otherwise specified, 10,000 units
- J9021 — Injection, asparaginase, recombinant, (rylaze), 0.1 mg
- J9022 — Injection, atezolizumab, 10 mg
- J9023 — Injection, avelumab, 10 mg
- J9024 — Injection, atezolizumab, 5 mg and hyaluronidase-tqjs
- J9025 — Injection, azacitidine, 1 mg
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Next steps
- Run a reimbursement report for a device billed under J9047
- Watch J9047 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9047
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.