8A63.01

ICD-11 MMS 2026-01

Complex febrile seizures

Description

Febrile seizures lasting longer than 15 minutes and/or multiple episodes occurring within 24 hours and/or seizures with focal features.

Coding note from above levels

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

Index terms

  • Complex febrile seizures

Exclusions from above levels

  • 8A80.3Y – Migraine aura-triggered seizures
  • MG45 – Syncope
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • 8A63.00 – Simple febrile seizures
  • 8A63.0Y – Other specified febrile seizures
  • 8A63.0Z – Febrile seizures, unspecified

Foundation entity

Complex febrile seizures – http://id.who.int/icd/entity/501701339

Part of: 8A63.0: Febrile seizures › 8A63: Seizure due to acute causes › 08: Diseases of the nervous system