J9144 HCPCS code: Injection, daratumumab, 10 mg and hyaluronidase-fihj
J9144 is the HCPCS Level II code for injection, daratumumab, 10 mg and hyaluronidase-fihj. In 2024 Medicare paid an average of $38.87 per service for J9144 across 18,925,033 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 180 per day on outpatient hospital claims. Medicare volume rose 48% from 2022 to 2024 (12,798,653 to 18,925,033 services). In 2024, about 4,094 clinicians billed Medicare for J9144 for 10,191 beneficiaries; Florida, California, Texas accounted for 31% 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 | 2021-01-01 |
| Last action effective | 2021-01-01 |
Who bills J9144 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 4,094 |
| Medicare beneficiaries | 10,191 |
| States with claims | 47 |
| Share of services in top 3 states (Florida, California, Texas) | 31% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J9144, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 12,798,653 | 6,897 | $45.02 | $35.94 |
| 2023 | 16,249,735 | 8,689 | $47.22 | $37.61 |
| 2024 | 18,925,033 | 10,191 | $48.81 | $38.87 |
States with the most J9144 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 2,204,423 | $38.93 |
| California | 2,132,675 | $39.05 |
| Texas | 1,559,701 | $38.94 |
| Illinois | 979,209 | $38.97 |
| Virginia | 972,900 | $39.11 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 180 | Prescribing Information |
| practitioner claims | 180 | Prescribing Information |
What changed for J9144
- 2021-01-01: J9144 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 J9144?
J9144 is the HCPCS Level II code for injection, daratumumab, 10 mg and hyaluronidase-fihj. Short descriptor: "Daratumumab, hyaluronidase".
How much does Medicare pay for J9144?
In 2024, the average Medicare payment was $38.87 per service (average allowed $48.81).
Does Medicare cover J9144?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J9144 can be billed per day?
180 on outpatient hospital claims; 180 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
- 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
- J9161 — Injection, denileukin diftitox-cxdl, 1 mcg
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Next steps
- Run a reimbursement report for a device billed under J9144
- Watch J9144 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J9144
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.