B19Header code — not billable
Unspecified viral hepatitis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B19
- Effective date
- October 1, 2026
Related codes in category B19
B19.0Unspecified viral hepatitis with hepatic comaYesB19.1Unspecified viral hepatitis BB19.10Unspecified viral hepatitis B without hepatic comaYesB19.11Unspecified viral hepatitis B with hepatic comaYesB19.2Unspecified viral hepatitis CB19.20Unspecified viral hepatitis C without hepatic comaYesB19.21Unspecified viral hepatitis C with hepatic comaYesB19.9Unspecified viral hepatitis without hepatic comaYes
Frequently asked questions
What is ICD-10 code B19?
B19 is an ICD-10-CM diagnosis code for Unspecified viral hepatitis.
Is B19 a billable code?
No. B19 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 B19 in?
B19 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B19 become effective?
B19 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B19?
B19 belongs to category B19, which includes 8 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.