Viral hepatitis (B15-B19) ICD-10-CM
The B15–B19 section covers viral hepatitis with 31 ICD-10-CM diagnosis codes, of which 23 are billable in fiscal year 2026. The section is organized into the 5 code ranges listed below.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- sequelae of viral hepatitis B94.2
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Code Ranges in This Section 5 ranges · 31 codes
| Code Range | Title | Codes | Billable |
|---|---|---|---|
| B15 | Acute hepatitis A (B15) | 3 | 2 |
| B16 | Acute hepatitis B (B16) | 5 | 4 |
| B17 | Other acute viral hepatitis (B17) | 8 | 6 |
| B18 | Chronic viral hepatitis (B18) | 6 | 5 |
| B19 | Unspecified viral hepatitis (B19) | 9 | 6 |
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the B15–B19 Code Range
ICD-10 codes B15 through B19 specifically classify different types of viral hepatitis, a liver infection caused by various viruses including hepatitis A, B, C, D (delta), and E. These codes capture whether the infection is acute or chronic and if complications like hepatic coma are present, helping healthcare providers accurately document the exact viral cause and disease stage.
This code range distinguishes acute forms like hepatitis A (B15) and acute hepatitis B with or without the delta agent (B16), as well as other acute viral hepatitis including hepatitis C and E (B17). It also includes chronic viral hepatitis, such as chronic hepatitis B and C (B18), covering complexities like co-infection with the delta virus. Additionally, unspecified viral hepatitis codes (B19) address cases where the precise virus is not identified, with subcodes capturing presence or absence of hepatic coma. Using synonyms like "viral hepatitis A," "hepatitis D superinfection," or "chronic active viral hepatitis" clarifies coding choices for conditions often described by multiple names. This distinction facilitates precise diagnosis, treatment decisions, and medical record accuracy regarding viral liver infections.
Questions About This Page
How many codes are in the B15-B19 range?
The B15-B19 range contains 31 ICD-10-CM diagnosis codes in FY 2026. 23 of them are billable, and the rest are category headers that organize the section.
What conditions does B15-B19 cover?
The range covers viral hepatitis. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
