B19.21 – Unspecified viral hepatitis C with hepatic coma
ICD-10-CM 2027 diagnosis code · Viral hepatitis
ICD-10-CM code
B19.21
- Code
B19.21(claims format:B1921)- Description
- Unspecified viral hepatitis C with hepatic coma
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B15-B19 Viral hepatitis
- Parent codes
- B19 › B19.2
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block B15-B19
Excludes1 (not coded here):
- sequelae of viral hepatitis (B94.2)
Index terms for B19.21
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in B19.2
Frequently asked questions
What is ICD-10 code B19.21?
B19.21 is the ICD-10-CM code for unspecified viral hepatitis C with hepatic coma, in the block B15-B19 (Viral hepatitis).
Is B19.21 a billable code?
Yes. B19.21 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B19.21 belong to?
It belongs to category B19 – Unspecified viral hepatitis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.