J9319 HCPCS code: Injection, romidepsin, lyophilized, 0.1 mg
J9319 is the HCPCS Level II code for injection, romidepsin, lyophilized, 0.1 mg. In 2024 Medicare paid an average of $23.94 per service for J9319 across 261,901 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 500 per day on outpatient hospital claims. Medicare volume rose 10% from 2022 to 2024 (238,680 to 261,901 services). In 2024, about 243 clinicians billed Medicare for J9319 for 96 beneficiaries.
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 | 2021-10-01 |
| Last action effective | 2021-10-01 |
Who bills J9319 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 243 |
| Medicare beneficiaries | 96 |
| States with claims | 1 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J9319, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 238,680 | 99 | $32.46 | $25.96 |
| 2023 | 306,877 | 117 | $30.19 | $24.05 |
| 2024 | 261,901 | 96 | $30.06 | $23.94 |
States with the most J9319 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 30,480 | $23.98 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 500 | CMS Policy |
| practitioner claims | 500 | CMS Policy |
What changed for J9319
- 2021-10-01: J9319 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 J9319?
J9319 is the HCPCS Level II code for injection, romidepsin, lyophilized, 0.1 mg. Short descriptor: "Inj romidepsin lyophil 0.1mg".
How much does Medicare pay for J9319?
In 2024, the average Medicare payment was $23.94 per service (average allowed $30.06).
Does Medicare cover J9319?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J9319 can be billed per day?
500 on outpatient hospital claims; 500 on practitioner claims (NCCI medically unlikely edits).
Related J93 codes
- J9300 — Injection, gemtuzumab ozogamicin, 5 mg
- J9301 — Injection, obinutuzumab, 10 mg
- J9302 — Injection, ofatumumab, 10 mg
- J9303 — Injection, panitumumab, 10 mg
- J9304 — Injection, pemetrexed (pemfexy), 10 mg
- J9305 — Injection, pemetrexed, not otherwise specified, 10 mg
- J9306 — Injection, pertuzumab, 1 mg
- J9307 — Injection, pralatrexate, 1 mg
- J9308 — Injection, ramucirumab, 5 mg
- J9309 — Injection, polatuzumab vedotin-piiq, 1 mg
- J9310 — Injection, rituximab, 100 mg
- J9311 — Injection, rituximab 10 mg and hyaluronidase
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Next steps
- Run a reimbursement report for a device billed under J9319
- Watch J9319 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9319
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.