8A06.2

ICD-11 MMS 2026-01

Focal myoclonus

Description

Sudden, involuntary twitching or jerking of a muscle or group of muscles which effects a localised area of the body.

Exclusions from above levels

8A02.11 – Dystonia-plus
8B88.1 – Facial myokymia
http://id.who.int/icd/entity/1397288146 – myoclonic epilepsy

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6A06 – Stereotyped movement disorder
05 – Endocrine, nutritional or metabolic diseases
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

Child codes

8A06.20 – Palatal myoclonus
8A06.21 – Chronic hiccups
8A06.2Y – Other specified focal myoclonus
8A06.2Z – Focal myoclonus, unspecified

Sibling codes

8A06.0 – Essential myoclonus
8A06.1 – Segmental myoclonus
8A06.Y – Other specified myoclonic disorders
8A06.Z – Myoclonic disorders, unspecified

Foundation entity

Focal myoclonus – http://id.who.int/icd/entity/888456807

Part of: 8A06: Myoclonic disorders › 08: Diseases of the nervous system