8A61.12

ICD-11 MMS 2026-01

Epilepsy of infancy with migrating focal seizures

Description

Epilepsy syndrome with onset between the first week of life and seven months of intractable, polymorphous focal seizures. Psychomotor development progressively deteriorates. A mutation of SCN1A may be found. The EEG shows multifocal, varying sites of seizure onset, and diffuse slowing.

Coding note from above levels

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

Index terms

  • Epilepsy of infancy with migrating focal seizures

Exclusions from above levels

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

Sibling codes

  • 8A61.10 – Benign familial infantile epilepsy
  • 8A61.11 – Dravet syndrome
  • 8A61.1Y – Other specified genetic epileptic syndromes with onset in infancy
  • 8A61.1Z – Genetic epileptic syndromes with onset in infancy, unspecified

Foundation entity

Epilepsy of infancy with migrating focal seizures – http://id.who.int/icd/entity/1727727812

Allowed postcoordination axes

Part of: 8A61.1: Genetic epileptic syndromes with onset in infancy › 8A61: Genetic or presumed genetic syndromes primarily expressed as epilepsy › 08: Diseases of the nervous system