J0840 HCPCS code: Injection, crotalidae polyvalent immune fab (ovine), up to 1 gram
J0840 is the HCPCS Level II code for injection, crotalidae polyvalent immune fab (ovine), up to 1 gram. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 18 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 | 2012-01-01 |
| Last action effective | 2012-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 18 | Prescribing Information |
| practitioner claims | 6 | Clinical: CMS Workgroup |
Medicare policy articles for this code
- A57554: Billing and Coding: Immune Globulins (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
Covered diagnoses (1,176 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| B16.1 | Acute hepatitis B with delta-agent without hepatic coma | 1 |
| B16.2 | Acute hepatitis B without delta-agent with hepatic coma | 1 |
| B16.9 | Acute hepatitis B without delta-agent and without hepatic coma | 1 |
| B17.0 | Acute delta-(super) infection of hepatitis B carrier | 1 |
| B18.0 | Chronic viral hepatitis B with delta-agent | 1 |
| B18.1 | Chronic viral hepatitis B without delta-agent | 1 |
| B19.10 | Unspecified viral hepatitis B without hepatic coma | 1 |
| B19.11 | Unspecified viral hepatitis B with hepatic coma | 1 |
| B20 | Human immunodeficiency virus [HIV] disease | 1 |
| C88.20 | Heavy chain disease not having achieved remission | 1 |
Showing 10 of 1,176. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for J0840
- 2012-01-01: J0840 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 J0840?
J0840 is the HCPCS Level II code for injection, crotalidae polyvalent immune fab (ovine), up to 1 gram. Short descriptor: "Crotalidae poly immune fab".
Does Medicare cover J0840?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for J0840?
Medicare policy articles that cite J0840 list 1,176 covered ICD-10-CM diagnosis codes across 1 article. The most cited include B16.1 (Acute hepatitis B with delta-agent without hepatic coma), B16.2 (Acute hepatitis B without delta-agent with hepatic coma), B16.9 (Acute hepatitis B without delta-agent and without hepatic coma). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of J0840 can be billed per day?
18 on outpatient hospital claims; 6 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
- J0841 — Injection, crotalidae immune f(ab')2 (equine), 120 mg
- J0850 — Injection, cytomegalovirus immune globulin intravenous (human), per vial
- J0870 — Injection, imetelstat, 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
- J0875 — Injection, dalbavancin, 5 mg
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Next steps
- Run a reimbursement report for a device billed under J0840
- Watch J0840 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0840
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.