8A05.02

ICD-11 MMS 2026-01

Chronic phonic tic disorder

Description

Chronic phonic tic disorder is characterised by the presence of phonic (vocal) tics over a period of at least one year, although they may not manifest consistently. Phonic tics are defined as sudden, rapid, non-rhythmic, and recurrent vocalizations.

Index terms

  • Chronic phonic tic disorder
  • chronic vocal tic
  • persistent vocal tic

Excludes

Exclusions from above levels

  • 6A06 – Stereotyped movement disorder
  • 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

  • 8A05.00 – Tourette syndrome
  • 8A05.01 – Chronic motor tic disorder
  • 8A05.03 – Transient motor tics
  • 8A05.0Y – Other specified primary tics or tic disorders
  • 8A05.0Z – Primary tics or tic disorders, unspecified

Foundation entity

Chronic phonic tic disorder – http://id.who.int/icd/entity/169010223

Part of: 8A05.0: Primary tics or tic disorders › 8A05: Tic disorders › 08: Diseases of the nervous system