Lennox-Gastaut syndrome

Description

Syndrome defined as a cryptogenic or symptomatic generalised epilepsy, which is characterised by the following symptomatic triad: several epileptic seizures (atypical absences, axial tonic seizures and sudden atonic or myoclonic falls); diffuse slow interictal spike waves in the waking EEG (< 3 Hz) and fast rhythmic bursts (10 Hz) during sleep; slow mental development associated with personality disturbances.

Coding note from above levels

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

Index terms

Lennox-Gastaut 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
8A62.2 – Acquired epileptic aphasia
8A62.Y – Other specified epileptic encephalopathies
8A62.Z – Epileptic encephalopathies, unspecified

Foundation entity

Lennox-Gastaut syndrome – http://id.who.int/icd/entity/651135242

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