B16: Acute hepatitis B
Codes under B16 (Acute hepatitis B). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B16.0 | Acute hepatitis B with delta-agent with hepatic coma | ✓ |
| B16.0 | Acute hepatitis B with delta-agent with hepatic coma | ✓ |
| B16.1 | Acute hepatitis B with delta-agent without hepatic coma | ✓ |
| B16.1 | Acute hepatitis B with delta-agent without hepatic coma | ✓ |
| B16.2 | Acute hepatitis B without delta-agent with 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 | ✓ |
| B16.9 | Acute hepatitis B without delta-agent and without hepatic coma | ✓ |
Frequently asked questions
What is ICD-10-CM code B16?
B16 is an ICD-10-CM category covering Acute hepatitis B. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is B16 a billable code?
No — B16 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example B16.0 — Acute hepatitis B with delta-agent with hepatic coma). 8 of the 8 codes under B16 are billable.
What codes fall under B16?
B16 includes B16.0, B16.0, B16.1, B16.1, B16.2, plus 3 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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