1E50.0

ICD-11 MMS 2026-01

Acute hepatitis A

Description

Acute liver injury and inflammation caused by recent and short-term (less than 6 months) infection with hepatitis A virus (HAV). Transmission is by the faecal-oral route. Diagnosis is confirmed by presence of IgM-anti-HAV in serum. Clinical features, if they occur, are characterised by anorexia, nausea and fever, with jaundice in severer cases.

Index terms

  • Acute hepatitis A
  • Acute hepatitis A virus infection

Excludes

  • DB90 – Infectious liver disease
  • DB91 – Acute or subacute hepatic failure

Exclusions from above levels

  • 1E51 – Chronic viral hepatitis
  • 1F00.Y – Herpes simplex hepatitis
  • DB92.1 – Non-alcoholic steatohepatitis
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  • DB96.0 – Autoimmune hepatitis
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1E50.1 – Acute hepatitis B
  • 1E50.2 – Acute hepatitis C
  • 1E50.3 – Acute hepatitis D
  • 1E50.4 – Acute hepatitis E
  • 1E50.Y – Other specified acute viral hepatitis
  • 1E50.Z – Acute viral hepatitis, unspecified

Foundation entity

Acute hepatitis A – http://id.who.int/icd/entity/991455762

Part of: 1E50: Acute viral hepatitis › 01: Certain infectious or parasitic diseases