J1571 HCPCS code: Injection, hepatitis b immune globulin (hepagam b), intramuscular, 0.5 ml

J1571 is the HCPCS Level II code for injection, hepatitis b immune globulin (hepagam b), intramuscular, 0.5 ml. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 20 per day on outpatient hospital claims.

Code details

FieldValue
SectionJ codes — Drugs administered other than oral method
Coverage codeD — Special coverage instructions apply
Pricing indicator51 — Drug or biological (priced per ASP/average sales price rules)
BETOS categoryO1E — Other drugs
Added2008-01-01
Last action effective2009-01-01

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims20Prescribing Information
practitioner claims20Prescribing Information

Medicare policy articles for this code

Covered diagnoses (1,176 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

ICD-10-CMDiagnosisArticles listing it
B16.1Acute hepatitis B with delta-agent without hepatic coma1
B16.2Acute hepatitis B without delta-agent with hepatic coma1
B16.9Acute hepatitis B without delta-agent and without hepatic coma1
B17.0Acute delta-(super) infection of hepatitis B carrier1
B18.0Chronic viral hepatitis B with delta-agent1
B18.1Chronic viral hepatitis B without delta-agent1
B19.10Unspecified viral hepatitis B without hepatic coma1
B19.11Unspecified viral hepatitis B with hepatic coma1
B20Human immunodeficiency virus [HIV] disease1
C88.20Heavy chain disease not having achieved remission1

Showing 10 of 1,176. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for J1571

Frequently asked questions

What is HCPCS code J1571?

J1571 is the HCPCS Level II code for injection, hepatitis b immune globulin (hepagam b), intramuscular, 0.5 ml. Short descriptor: "Hepagam b im injection".

Does Medicare cover J1571?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Which diagnoses support coverage for J1571?

Medicare policy articles that cite J1571 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 J1571 can be billed per day?

20 on outpatient hospital claims; 20 on practitioner claims (NCCI medically unlikely edits).

Related J15 codes

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Next steps

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.

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