1D03.3

ICD-11 MMS 2026-01

Intracranial abscess

Description

A condition of the cranial cavity, caused by an infection with a bacterial, viral, or fungal source. This condition is characterised by a focal accumulation of purulent material within the cranial cavity. This condition may present with fever, headache, and focal neurological deficits.

Exclusions from above levels

  • 1A72.Y – Gonococcal brain abscess
  • 1F2F – Cerebral phaeohyphomycosis
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Child codes

  • 1D03.30 – Deep cerebral hemispheric abscess
  • 1D03.31 – Abscess of the corpus callosum
  • 1D03.32 – Pituitary abscess
  • 1D03.33 – Multiple or widespread intracranial abscess
  • 1D03.3Y – Other specified intracranial abscess
  • 1D03.3Z – Intracranial abscess, unspecified

Sibling codes

  • 1D03.0 – Intraspinal intramedullary abscess
  • 1D03.1 – Intraspinal subdural abscess
  • 1D03.2 – Intraspinal extradural abscess
  • 1D03.4 – Intraspinal epidural abscess
  • 1D03.5 – Spinal cord abscess
  • 1D03.Y – Other specified site of infectious abscess of the central nervous system
  • 1D03.Z – Infectious abscess of the central nervous system, site unspecified

Foundation entity

Intracranial abscess – http://id.who.int/icd/entity/1128677700

Allowed postcoordination axes

Part of: 1D03: Infectious abscess of the central nervous system › 01: Certain infectious or parasitic diseases