Neurodevelopmental
Neurodevelopmental
Single or multiple motor and/or vocal tics
Both multiple motor tics AND ≥1 vocal tic present at some time during the illness, though not necessarily simultaneously
B. Tics have been present for <1 year since first tic onset C. Onset before age 18 D. Not attributable to physiological effects of a substance or another medical condition
B. Tics may wax and wane in frequency but have persisted for >1 year since first tic onset C. Onset before age 18 D. Not attributable to physiological effects of a substance or another medical condition
A. Single or multiple motor and/or vocal tics B. Tics have been present for <1 year since first tic onset C. Onset before age 18
A. Both multiple motor tics AND ≥1 vocal tic present at some time during the illness, though not necessarily simultaneously B. Tics may wax and wane in frequency but have persisted for >1 year since first tic onset C. Onset before age 18
Motor tics only; Vocal tics only; Motor and vocal tics
Mild; Moderate; Severe
Tourette's disorder or persistent tic disorder (>1 year - reclassify); Stereotypic movement disorder; Medication-induced movement disorder
Persistent motor OR vocal tic disorder (one category only - not both); Provisional tic disorder (< 1 year duration); Stereotypic movement disorder (rhythmic; suppressed by distraction rather than effort; no premonitory urge)