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8A05.0 Primary tics or tic disorders

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Primary tics or tic disorders are characterised by the presence of chronic motor and/or vocal (phonic) tics. Motor and vocal tics are defined as sudden, rapid, non-rhythmic, and recurrent movements or vocalizations, respectively. In order to be diagnosed, tics must have been present for at least one year, although they may not manifest consistently.

sections/codes in this section (8A05.0-8A05.0)

• Tourette syndrome  (8A05.00)
• Chronic motor tic disorder  (8A05.01)
• Chronic phonic tic disorder  (8A05.02)
• Transient motor tics  (8A05.03)
• Other specified primary tics or tic disorders  (8A05.0Y)
• Primary tics or tic disorders, unspecified  (8A05.0Z)

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