ICD-11 MMS 2026-01
Tic disorders
Description
Disorders characterized by brief, sudden, repetitive movements (motor tics) or utterances (phonic or vocal tics) that are temporarily suppressible and are usually preceded by a strong urge to perform the tic. The most common cause of childhood-onset tics is Tourette Syndrome.
Exclusions from above levels
6A06 – Stereotyped movement disorder05 – Endocrine, nutritional or metabolic diseases18 – Complications of pregnancy, childbirth and the puerperium
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19 – Certain conditions originating in the perinatal period22 – Injury, poisoning or certain other consequences of external causes
Child codes
8A05.0 – Primary tics or tic disorders8A05.1 – Secondary tics or tic disorders8A05.Y – Other specified tic disorders8A05.Z – Tic disorders, unspecified
Sibling codes
8A00 – Parkinsonism8A01 – Choreiform disorders8A02 – Dystonic disorders8A03 – Ataxic disorders8A04 – Disorders associated with tremor8A06 – Myoclonic disorders8A07 – Certain specified movement disorder8A0Y – Other specified movement disorders8A0Z – Movement disorders, unspecified
Part of: 08: Diseases of the nervous system
