J9045 HCPCS code: Injection, carboplatin, 50 mg
J9045 is the HCPCS Level II code for injection, carboplatin, 50 mg. In 2024 Medicare paid an average of $2.79 per service for J9045 across 678,624 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 22 per day on outpatient hospital claims. Medicare volume fell 13% from 2022 to 2024 (784,356 to 678,624 services). In 2024, about 4,696 clinicians billed Medicare for J9045 for 23,220 beneficiaries; Florida, Texas, California accounted for 34% of services.
Code details
| Field | Value |
|---|---|
| Section | J codes — Drugs administered other than oral method |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1D — Chemotherapy |
| Added | 1990-01-01 |
| Last action effective | 2009-01-01 |
Who bills J9045 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 4,696 |
| Medicare beneficiaries | 23,220 |
| States with claims | 53 |
| Share of services in top 3 states (Florida, Texas, California) | 34% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J9045, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 784,356 | 26,270 | $2.69 | $2.15 |
| 2023 | 679,384 | 24,168 | $2.45 | $1.94 |
| 2024 | 678,624 | 23,220 | $3.52 | $2.79 |
States with the most J9045 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 81,282 | $2.81 |
| Texas | 78,269 | $2.79 |
| California | 70,028 | $2.80 |
| Illinois | 36,674 | $2.80 |
| Virginia | 30,235 | $2.80 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 22 | Prescribing Information |
| practitioner claims | 22 | Prescribing Information |
What changed for J9045
- 1990-01-01: J9045 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 J9045?
J9045 is the HCPCS Level II code for injection, carboplatin, 50 mg. Short descriptor: "Carboplatin injection".
How much does Medicare pay for J9045?
In 2024, the average Medicare payment was $2.79 per service (average allowed $3.52).
Does Medicare cover J9045?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
How many units of J9045 can be billed per day?
22 on outpatient hospital claims; 22 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
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 J9045
- Watch J9045 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9045
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.