Viral hepatitis A with hepatic coma

This code signifies an acute inflammation of the liver caused by the Hepatitis A virus, which has progressed to severe liver dysfunction leading to encephalopathy. Hepatic coma, a life-threatening complication, indicates profound neurological impairment due to the liver's inability to detoxify the blood.

Use this code for patients diagnosed with acute Hepatitis A infection who present with signs and symptoms of hepatic encephalopathy, such as altered mental status, confusion, or unresponsiveness. Documentation should clearly state the presence of Hepatitis A and explicitly mention "hepatic coma" or "hepatic encephalopathy" as a complication.

• Ensure documentation specifies "hepatic coma" or a similar term indicating severe encephalopathy, not just general liver failure.
• Distinguish from other forms of viral hepatitis; this code is specific to Hepatitis A.
• Consider sequencing with codes for underlying causes or other complications, if applicable, following ICD-9-CM guidelines.