8A60.9

ICD-11 MMS 2026-01

Epilepsy due to abnormalities of brain development

Description

Epilepsy due to disorders of cortical development encompassing a wide range of etiologies, with effects that depend on the stage of brain development. Seizure types usually reflect the topology of the malformation.

Coding note from above levels

Use additional code, if desired, to identify the type of seizure.

Index terms

  • Epilepsy due to abnormalities of brain development
  • Epilepsy due to cortical dysplasia
  • epilepsy due to neuronal migration disorders

Exclusions from above levels

  • MG45 – Syncope
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8A60.0 – Epilepsy due to prenatal or perinatal brain insults
  • 8A60.1 – Epilepsy due to cerebrovascular disorders
  • 8A60.2 – Epilepsy due to degenerative brain disorders
  • 8A60.3 – Epilepsy due to dementias
  • 8A60.4 – Epilepsy due to central nervous system infections or infestations
  • 8A60.5 – Epilepsy due to injuries to the head
  • 8A60.6 – Epilepsy due to tumours of the nervous system
  • 8A60.7 – Epilepsy with mesial temporal sclerosis
  • 8A60.8 – Epilepsy due to immune disorders
  • 8A60.A – Epilepsy due to genetic syndromes with widespread or progressive effects
  • 8A60.B – Epilepsy due to multiple sclerosis or other demyelinating disorders
  • 8A60.Y – Epilepsy due to other structural or metabolic condition or disease
  • 8A60.Z – Epilepsy due to unspecified structural or metabolic condition or disease

Foundation entity

Epilepsy due to abnormalities of brain development – http://id.who.int/icd/entity/1498700468

Allowed postcoordination axes

Part of: 8A60: Epilepsy due to structural or metabolic conditions or diseases › 08: Diseases of the nervous system