1D63

ICD-11 MMS 2026-01

Henipavirus encephalitis

Description

Acute bat-borne disease characterised by fever and headaches. The disease may progress to drowsiness, disorientation, mental confusion, and finally encephalitis (brain swelling) in less than a week. This progression may occur with or without an acute respiratory distress component. The incubation period ranges from 4 to 14 days. Lethality is high.

Index terms

  • Henipavirus encephalitis
  • Encephalitis due to Henipavirus
  • Encephalitis due to Hendra virus
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  • Encephalitis due to Nipah virus

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1D60 – Filovirus disease
  • 1D61 – Arenavirus disease
  • 1D62 – Hantavirus disease
  • 1D64 – Middle East respiratory syndrome
  • 1D65 – Severe acute respiratory syndrome
  • 1D6Y – Other specified zoonotic viral diseases
  • 1D6Z – Zoonotic viral disease, virus unspecified

Foundation entity

Henipavirus encephalitis – http://id.who.int/icd/entity/1020283662

Allowed postcoordination axes

Part of: 01: Certain infectious or parasitic diseases