2026 ICD-10-CM Diagnosis Code B19Unspecified viral hepatitis

ICD-10-CM Codes›A00–B99›B15-B19›B19

ICD-10-CM B19
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B19 is a non-billable ICD-10-CM category code for unspecified viral hepatitis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B19.0, B19.10, B19.11, and B19.20.

Code Identity

ICD-10-CM Code
B19
Billable Status
No — Non-Billable Category
Code Describes
Unspecified viral hepatitis
Chapter
B15-B19
Viral hepatitis

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB15-B19Viral hepatitis
CategoryB19Unspecified viral hepatitis
This CodeB19Unspecified viral hepatitis

Specific Coding for Unspecified viral hepatitisOverview

Non-specific codes like B19 require more characters. Use one of these billable codes instead:

  • Use B19.0 for Unspecified viral hepatitis with hepatic coma

  • B19.1 for Unspecified viral hepatitis B

  • Use B19.10 for Unspecified viral hepatitis B without hepatic coma

  • Use B19.11 for Unspecified viral hepatitis B with hepatic coma

  • B19.2 for Unspecified viral hepatitis C

  • Use B19.20 for Unspecified viral hepatitis C without hepatic coma

  • Use B19.21 for Unspecified viral hepatitis C with hepatic coma

  • Use B19.9 for Unspecified viral hepatitis without hepatic coma

Patient EducationClinical

Hepatitis

Hepatitis is inflammation of the liver. Inflammation is swelling that happens when tissues of the body are injured or infected. It can damage your liver. This swelling and damage can affect how well your liver functions.

The full article covers:

  • What is hepatitis?
  • What causes hepatitis?
  • How is viral hepatitis spread?
  • Who is at risk for hepatitis?
  • What are the symptoms of hepatitis?
  • What other problems can hepatitis cause?
  • How is hepatitis diagnosed?
  • What are the treatments for hepatitis?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B19Overview

Is B19 (Unspecified viral hepatitis) a billable code?

No. This is a category header that groups the codes for unspecified viral hepatitis, and headers cannot be submitted on claims. Claims for unspecified viral hepatitis need a more specific code from this category, such as B19.0, B19.10, and B19.11.