B15Header code — not billable

Acute hepatitis A

Chapter
1. Certain infectious and parasitic diseases
Category
B15
Effective date
October 1, 2026

Related codes in category B15

B15.0Hepatitis A with hepatic comaYesB15.9Hepatitis A without hepatic comaYes

Frequently asked questions

What is ICD-10 code B15?

B15 is an ICD-10-CM diagnosis code for Acute hepatitis A.

Is B15 a billable code?

No. B15 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is B15 in?

B15 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B15 become effective?

B15 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B15?

B15 belongs to category B15, which includes 2 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.