8A42.0

ICD-11 MMS 2026-01

Acute haemorrhagic leukoencephalitis

Description

Rare, severe, rapidly progressive inflammatory and haemorrhagic demyelinating disorder of the central nervous system, considered a variant of ADEM.

Index terms

  • Acute haemorrhagic leukoencephalitis
  • Hurst disease
  • acute haemorrhagic leucoencephalitis
Show allHide
  • acute haemorrhagic leucoencephalitis of Weston Hurst
  • acute haemorrhagic leukoencephalitis, postimmunization or postvaccinal
  • postimmunization or postvaccinal leukoencephalopathy

Exclusions from above levels

  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
Show allHide
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8A42.Y – Other specified acute disseminated encephalomyelitis
  • 8A42.Z – Acute disseminated encephalomyelitis, unspecified

Foundation entity

Acute haemorrhagic leukoencephalitis – http://id.who.int/icd/entity/1226230164

Allowed postcoordination axes

Part of: 8A42: Acute disseminated encephalomyelitis › 08: Diseases of the nervous system