Acute or Fulminant Hepatic Failure Associated with Viral Hepatitis A

Does the patient have an underlying chronic liver disease including cirrhosis?

Is the patient infected with one of the subgenotypes of viral hepatitis A associated with hepatic failure?

Does the patient have a mutation in TIMI1 (HAVCR1) associated with hepatic failure?

Do other family members have hepatic failure associated with a hepatitis A viral infection?

Does the patient have detectable HAV RNA in the blood?