Diagnostic criteria for 307.22 Chronic Motor or Vocal Tic Disorder
(cautionary statement)
A. Single or multiple motor or vocal tics (i.e., sudden, rapid, recurrent,
nonrhythmic, stereotyped motor movements or vocalizations), but not both, have been present at some time during the illness.
B. The tics occur many times a day nearly every day or intermittently throughout a period of more than 1 year, and during this period there was never a tic-free period of more than 3 consecutive months.
C. The disturbance causes marked distress or significant impairment in social,
occupational, or other important areas of functioning.
D. The onset is before age 18 years.
E. The disturbance is not due to the direct physiological effects of a substance
(e.g., stimulants) or a general medical condition (e.g., Huntington's disease or postviral encephalitis).
F. Criteria have never been met for Tourette's Disorder.
Reprinted with permission from the Diagnostic
and Statistical Manual of Mental Disorders, fourth Edition. Copyright 1994 American
Psychiatric Association
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