Table 1. ICD-10 codes used for inclusion of cases.

ICD-10 code	Description
B17.8	Other specified acute viral hepatitis
B17.9	Acute viral hepatitis, unspecified
B19.0	Unspecified viral hepatitis with hepatic coma
B19.9	Unspecified viral hepatitis without hepatic coma
K72.0	Acute and subacute hepatic failure
K72.9	Hepatic failure, unspecified
K75.2	Nonspecific reactive hepatitis
K75.4	Autoimmune hepatitis
Z94.4	Liver transplant status

Abbreviation: ICD-10, International Classification of Diseases, Tenth Revision