8A65ICD-11 MMS 2026-01
Single unprovoked seizure
Description
A seizure occurring in the absence of a potentially responsible structural or metabolic condition or beyond the interval estimated for the occurrence of an acute symptomatic seizure.
Coding note from above levels
Use additional code, if desired, to identify the type of seizure.
Index terms
- Single unprovoked seizure
Exclusions from above levels
Sibling codes
8A60– Epilepsy due to structural or metabolic conditions or diseases8A61– Genetic or presumed genetic syndromes primarily expressed as epilepsy8A62– Epileptic encephalopathies8A63– Seizure due to acute causes8A64– Single seizure due to remote causes8A66– Status epilepticus8A67– Acute repetitive seizures8A68– Types of seizures8A6Y– Other specified epilepsy or seizures8A6Z– Epilepsy or seizures, unspecified
Foundation entity
Single unprovoked seizure – http://id.who.int/icd/entity/429021871
Part of: 08: Diseases of the nervous system