12 - 8A05.0 Primary tics and tic disorders

8A05.0 Primary tics and tic disorders

153 Neurodevelopmental disorders Other specified neurodevelopmental disorder Essential (required) features • The presentation is characterized by significant difficulties in the acquisition and execution of specific intellectual, motor, language or social functions that arise during the developmental period and share primary clinical features with other neurodevelopmental disorders. • The symptoms do not fulfil the diagnostic requirements for any other disorder in the neurodevelopmental disorders grouping. • The symptoms are not better accounted for by another mental, behavioural or neurodevelopmental disorder (e.g. a psychotic disorder, a mood disorder, a disorder specifically associated with stress). • The symptoms or behaviours are not developmentally typical and are not entirely attributable to external factors, such as economic or environmental disadvantage or lack of access to educational opportunities. • The symptoms or behaviours are not a manifestation of another medical condition that is not classified under mental and behavioural disorders, and are not due to the effects of a substance (e.g. alcohol) or medication (e.g. bronchodilators) on the central nervous system, including withdrawal effects. • The difficulties result in significant impairment in personal, family, social, educational, occupational or other important areas of functioning. Neurodevelopmental disorder, unspecified Secondary-parented categories in neurodevelopmental disorders Primary tics and tic disorders The following categories – Tourette syndrome, chronic motor tic disorder and chronic phonic tic disorder – are classified in the grouping of primary tics and tic disorders in Chapter 8 on diseases of the nervous system, but are cross-listed here because of their high co-occurrence and familial association with neurodevelopmental disorders. 6A0Y 6A0Z 8A05.0 Neurodevelopmental disorders | Other specified and unspecified neurodevelopmental disorder