ICD-10-CM > A00-B99 > B15-B19 > B18 B18 Chronic viral hepatitis Non-Billable/Non-Specific Includes Carrier of viral hepatitis Use Additional code, if applicable, for ascites (R18.8) Codes B18.0Chronic viral hepatitis B with delta-agentB18.1Chronic viral hepatitis B without delta-agentB18.2Chronic viral hepatitis CB18.8Other chronic viral hepatitisB18.9Chronic viral hepatitis, unspecified