ICD-11 definition : Chronic motor tic disorder is characterized by the presence of motor tics over a period
of at least one year, although they may not manifest consistently. Motor tics are
defined as sudden, rapid, non-rhythmic, and recurrent movements.;
ICD-11 inclusion : persistent motor tic; chronic mtor tic;
Chronic motor tic disorder is characterized by the presence of motor tics over a period
of at least one year, although they may not manifest consistently. Motor tics are
defined as sudden, rapid, non-rhythmic, and recurrent movements.