Repetitive, seemingly driven, and apparently purposeless motor behaviour (e.g. hand shaking/waving, body rocking, head banging, self-biting, hitting own body)
AA. Recurrent pulling out of one's hair, resulting in hair loss B. Repeated attempts to decrease or stop the hair pulling C. Clinically significant distress or impairment
BA. Repetitive, seemingly driven, and apparently purposeless motor behaviour (e.g. hand shaking/waving, body rocking, head banging, self-biting, hitting own body) B. Interferes with social, academic, or other activities and may result in self-injury C. Onset in the early developmental period
Common specifiers
AWith good or fair insight; With poor insight; With absent insight / delusional beliefs
BWith self-injurious behaviour; Without self-injurious behaviour; Associated with a known medical or genetic condition; Mild
Differential flags
AExcoriation disorder (skin picking vs hair pulling - may coexist); OCD (ego-dystonic, with full obsessions driving behaviour); Alopecia areata or other dermatological cause of hair loss
BTic disorders (sudden, rapid, brief; premonitory urge; suppressible with effort; wax and wane); OCD (ego-dystonic; anxiety-driven compulsions; not rhythmic); ASD (may coexist - code separately if ID criterion met independently)