J9179 HCPCS code: Injection, eribulin mesylate, 0.1 mg
J9179 is the HCPCS Level II code for injection, eribulin mesylate, 0.1 mg. In 2024 Medicare paid an average of $106.27 per service for J9179 across 68,168 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 50 per day on outpatient hospital claims. Medicare volume fell 51% from 2022 to 2024 (139,192 to 68,168 services). In 2024, about 639 clinicians billed Medicare for J9179 for 382 beneficiaries; Florida, Texas, California accounted for 51% 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 | 2012-01-01 |
| Last action effective | 2012-01-01 |
Who bills J9179 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 639 |
| Medicare beneficiaries | 382 |
| States with claims | 12 |
| Share of services in top 3 states (Florida, Texas, California) | 51% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J9179, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 139,192 | 706 | $126.50 | $101.02 |
| 2023 | 93,066 | 473 | $125.41 | $99.85 |
| 2024 | 68,168 | 382 | $133.42 | $106.27 |
States with the most J9179 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 9,389 | $107.95 |
| Texas | 7,317 | $107.38 |
| California | 5,914 | $106.99 |
| Tennessee | 4,999 | $106.51 |
| Pennsylvania | 3,285 | $107.40 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 50 | CMS Policy |
| practitioner claims | 50 | CMS Policy |
What changed for J9179
- 2012-01-01: J9179 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 J9179?
J9179 is the HCPCS Level II code for injection, eribulin mesylate, 0.1 mg. Short descriptor: "Eribulin mesylate injection".
How much does Medicare pay for J9179?
In 2024, the average Medicare payment was $106.27 per service (average allowed $133.42).
Does Medicare cover J9179?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J9179 can be billed per day?
50 on outpatient hospital claims; 50 on practitioner claims (NCCI medically unlikely edits).
Related J91 codes
- J9100 — Injection, cytarabine, 100 mg
- J9118 — Injection, calaspargase pegol-mknl, 10 units
- J9119 — Injection, cemiplimab-rwlc, 1 mg
- J9120 — Injection, dactinomycin, 0.5 mg
- J9130 — Dacarbazine, 100 mg
- J9144 — Injection, daratumumab, 10 mg and hyaluronidase-fihj
- J9145 — Injection, daratumumab, 10 mg
- J9150 — Injection, daunorubicin, 10 mg
- J9151 — Injection, daunorubicin citrate, liposomal formulation, 10 mg
- J9153 — Injection, liposomal, 1 mg daunorubicin and 2.27 mg cytarabine
- J9155 — Injection, degarelix, 1 mg
- J9160 — Injection, denileukin diftitox, 300 micrograms
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Next steps
- Run a reimbursement report for a device billed under J9179
- Watch J9179 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9179
Sources: CMS HCPCS Level II release October 2026; 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.