B18.9
✓ BillableChronic viral hepatitis, unspecified
Certain infectious and parasitic diseases (A00-B99)
Also Known As
Carrier of unspecified viral hepatitis
📋 Code Instructions
from B18- • code, if applicable, for ascites (R18.8)
✅ No additional coding notes for B18.9
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CodeB18.9
BillableYes
ParentB18
CategoryCertain infectious and parasitic diseases (A00-B99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)