B16

Non-billable

Acute hepatitis B

B16 is the ICD-10-CM code for Acute hepatitis B. It is a non-billable category code — use a more specific child code such as B16.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
4
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code B16?
B16 is the ICD-10-CM code for "Acute hepatitis B". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B16 a billable code?
No — B16 is a non-billable header code. Use a more specific child code (such as B16.0) for billing.
What are the subcodes of B16?
B16 has 4 more specific child codes, including B16.0, B16.1, B16.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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