J3424 HCPCS code: Injection, hydroxocobalamin, intravenous, 25 mg
J3424 is the HCPCS Level II code for injection, hydroxocobalamin, intravenous, 25 mg. In 2024 Medicare paid an average of $3.98 per service for J3424 across 294 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 400 per day on DME suppliers. In 2024, about 4 clinicians billed Medicare for J3424 for 49 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 | O1E — Other drugs |
| Added | 2024-04-01 |
| Last action effective | 2024-04-01 |
Who bills J3424 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 4 |
| Medicare beneficiaries | 49 |
| States with claims | 1 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J3424, 2024–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2024 | 294 | 49 | $5.00 | $3.98 |
States with the most J3424 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Arizona | 183 | $3.93 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 400 | Prescribing Information |
| outpatient hospital claims | 400 | Prescribing Information |
| practitioner claims | 400 | Prescribing Information |
What changed for J3424
- 2024-04-01: J3424 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 J3424?
J3424 is the HCPCS Level II code for injection, hydroxocobalamin, intravenous, 25 mg. Short descriptor: "Inj hydroxocobalamin iv 25mg".
How much does Medicare pay for J3424?
In 2024, the average Medicare payment was $3.98 per service (average allowed $5.00).
Does Medicare cover J3424?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J3424 can be billed per day?
400 on DME suppliers; 400 on outpatient hospital claims; 400 on practitioner claims (NCCI medically unlikely edits).
Related J34 codes
- J3400 — Injection, triflupromazine hcl, up to 20 mg
- J3401 — Beremagene geperpavec-svdt for topical administration, containing nominal 5 x 10^9 pfu/ml vector genomes, per 0.1 ml
- J3402 — Injection, remestemcel-l-rknd, per therapeutic dose
- J3403 — Revakinagene taroretcel-lwey, per implant
- J3404 — Injection, zopapogene imadenovec-drba suspension, per therapeutic dose
- J3405 — Injection, onasemnogene abeparvovec-brve, per treatment
- J3406 — Injection, omidubicel-onlv, per therapeutic dose
- J3410 — Injection, hydroxyzine hcl, up to 25 mg
- J3411 — Injection, thiamine hcl, 100 mg
- J3415 — Injection, pyridoxine hcl, 100 mg
- J3420 — Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg
- J3425 — Injection, hydroxocobalamin, intramuscular, 10 mcg
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 J3424
- Watch J3424 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J3424
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.