J0841 HCPCS code: Injection, crotalidae immune f(ab')2 (equine), 120 mg
J0841 is the HCPCS Level II code for injection, crotalidae immune f(ab')2 (equine), 120 mg. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 24 per day on outpatient hospital claims.
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 | 2019-01-01 |
| Last action effective | 2019-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 24 | Clinical: Society Comment |
| practitioner claims | 20 | Prescribing Information |
What changed for J0841
- 2019-01-01: J0841 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 J0841?
J0841 is the HCPCS Level II code for injection, crotalidae immune f(ab')2 (equine), 120 mg. Short descriptor: "Inj crotalidae im f(ab')2 eq".
Does Medicare cover J0841?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of J0841 can be billed per day?
24 on outpatient hospital claims; 20 on practitioner claims (NCCI medically unlikely edits).
Related J08 codes
- J0800 — Injection, corticotropin, up to 40 units
- J0801 — Injection, corticotropin (acthar gel), up to 40 units
- J0802 — Injection, corticotropin (ani), up to 40 units
- J0833 — Injection, cosyntropin, not otherwise specified, 0.25 mg
- J0834 — Injection, cosyntropin, 0.25 mg
- J0840 — Injection, crotalidae polyvalent immune fab (ovine), up to 1 gram
- J0850 — Injection, cytomegalovirus immune globulin intravenous (human), per vial
- J0870 — Injection, imetelstat, 1 mg
- J0871 — Injection, daptomycin (endo), not therapeutically equivalent to j0878, 1 mg
- J0872 — Injection, daptomycin (xellia), unrefrigerated, not therapeutically equivalent to j0878 or j0873, 1 mg
- J0873 — Injection, daptomycin (xellia), not therapeutically equivalent to j0878 or j0872, 1 mg
- J0874 — Injection, daptomycin (baxter), not therapeutically equivalent to j0878, 1 mg
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Next steps
- Run a reimbursement report for a device billed under J0841
- Watch J0841 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0841
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.