J2329 HCPCS code: Injection, ublituximab-xiiy, 1mg
J2329 is the HCPCS Level II code for injection, ublituximab-xiiy, 1mg. In 2024 Medicare paid an average of $48.99 per service for J2329 across 237,436 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. Medicare volume rose 378% from 2023 to 2024 (49,711 to 237,436 services). In 2024, about 226 clinicians billed Medicare for J2329 for 329 beneficiaries; New York, Florida, Maryland accounted for 38% 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 | O1E — Other drugs |
| Added | 2023-07-01 |
| Last action effective | 2023-07-01 |
Who bills J2329 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 226 |
| Medicare beneficiaries | 329 |
| States with claims | 13 |
| Share of services in top 3 states (New York, Florida, Maryland) | 38% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J2329, 2023–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2023 | 49,711 | 98 | $62.57 | $49.88 |
| 2024 | 237,436 | 329 | $61.33 | $48.99 |
States with the most J2329 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| New York | 28,352 | $50.08 |
| Florida | 19,500 | $40.47 |
| Maryland | 16,651 | $49.92 |
| Texas | 16,201 | $52.10 |
| Michigan | 13,950 | $53.97 |
What changed for J2329
- 2023-07-01: J2329 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 J2329?
J2329 is the HCPCS Level II code for injection, ublituximab-xiiy, 1mg. Short descriptor: "Inj ublituximab-xiiy, 1 mg".
How much does Medicare pay for J2329?
In 2024, the average Medicare payment was $48.99 per service (average allowed $61.33).
Does Medicare cover J2329?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related J23 codes
- J2300 — Injection, nalbuphine hydrochloride, per 10 mg
- J2305 — Injection, nitroglycerin, 5 mg
- J2310 — Injection, naloxone hydrochloride, per 1 mg
- J2311 — Injection, naloxone hydrochloride (zimhi), 1 mg
- J2312 — Injection, naloxone hydrochloride, not otherwise specified, 0.01 mg
- J2313 — Injection, naloxone hydrochloride (zimhi), 0.01 mg
- J2315 — Injection, naltrexone, depot form, 1 mg
- J2320 — Injection, nandrolone decanoate, up to 50 mg
- J2323 — Injection, natalizumab, 1 mg
- J2325 — Injection, nesiritide, 0.1 mg
- J2326 — Injection, nusinersen, 0.1 mg
- J2327 — Injection, risankizumab-rzaa, intravenous, 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 J2329
- Watch J2329 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J2329
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.