8A62.2

ICD-11 MMS 2026-01

Acquired epileptic aphasia

Description

Epilepsy with onset in a previously normal child characterised by acquired aphasia, variable seizure types, focal bitemporal EEG epileptiform abnormalities (1.5-5 Hz spike and slow-waves), frequently activated by sleep, with or without seizures. Behavioural disorders such as hyperactivity and attention deficit are common. There is no documented brain pathology.

Coding note from above levels

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

Index terms

  • Acquired epileptic aphasia
  • Childhood epileptic aphasia
  • Landau Kleffner Syndrome

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

  • 8A62.0 – Infantile spasms
  • 8A62.1 – Lennox-Gastaut syndrome
  • 8A62.Y – Other specified epileptic encephalopathies
  • 8A62.Z – Epileptic encephalopathies, unspecified

Foundation entity

Acquired epileptic aphasia – http://id.who.int/icd/entity/348544271

Part of: 8A62: Epileptic encephalopathies › 08: Diseases of the nervous system