ICD-10-CM > O00-O9A > O94-O9A > O98 > O98.4 > O98.41 O98.41 Viral hepatitis complicating pregnancy Non-Billable/Non-Specific Codes O98.411Viral hepatitis complicating pregnancy, first trimesterO98.412Viral hepatitis complicating pregnancy, second trimesterO98.413Viral hepatitis complicating pregnancy, third trimesterO98.419Viral hepatitis complicating pregnancy, unspecified trimester