Unspecified viral hepatitis (B19) ICD-10-CM
The B19 code range covers unspecified viral hepatitis with 9 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the B19 Range 9 codes · 6 billable
- B19 Unspecified viral hepatitisNon-billable
- B19.0 Unspecified viral hepatitis with hepatic coma
- B19.1 Unspecified viral hepatitis BNon-billable
- B19.10 Unspecified viral hepatitis B without hepatic coma
- B19.11 Unspecified viral hepatitis B with hepatic coma
- B19.2 Unspecified viral hepatitis CNon-billable
- B19.20 Unspecified viral hepatitis C without hepatic coma
- B19.21 Unspecified viral hepatitis C with hepatic coma
- B19.9 Unspecified viral hepatitis without hepatic coma
About the B19 Code Range
ICD-10 code B19 covers unspecified viral hepatitis, a category used when the exact type of viral hepatitis is unknown or not specified. This section includes conditions ranging from general viral hepatitis to specific forms accompanied by hepatic coma, a serious complication impacting brain function.
The codes in the B19 range are applied when providers document viral hepatitis without identifying the virus subtype, including codes for unspecified hepatitis B and C infections. Variations such as B19.0 and B19.11 specify cases where viral hepatitis leads to hepatic coma, a critical state often described in terms like "hepatic coma due to viral hepatitis B." In contrast, B19.10 and B19.20 describe viral hepatitis B and C without this severe complication, capturing conditions also known as "reactivation of hepatitis B viral hepatitis" or "viral hepatitis C complicating pregnancy." The general code B19.9 is used for unspecified viral hepatitis without hepatic coma and includes descriptions like "posttransfusion viral hepatitis" or "viral hepatitis complicating pregnancy and childbirth." These ICD-10 codes assist healthcare professionals and coders in accurately classifying cases where viral hepatitis is present but detailed viral identification is unavailable or unspecified.
Questions About This Page
How many billable codes are in the B19 range?
Of the 9 codes in this range, 6 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the B19 range classify?
The range classifies unspecified viral hepatitis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
