≥3 of the following within days of stopping/reducing an antidepressant (after ≥1 month use): FINISH symptoms — flu-like; insomnia; nausea; imbalance; sensory disturbances; hyperarousal/anxiety
Dopamine antagonist exposure (antipsychotic or antiemetic) and development of severe muscle rigidity and elevated temperature
≥3 of 12 catatonia symptoms: stupor; catalepsy; waxy flexibility; mutism; negativism; posturing; mannerism; stereotypy; agitation; grimacing; echolalia; echopraxia
Medication-induced movement symptoms causing clinically significant distress or impairment
Urge to move the legs, usually accompanied by uncomfortable sensations in the legs, that begins or worsens during rest/inactivity, is partially or totally relieved by movement, and occurs primarily in the evening or night
Intoxication: reversible substance-specific syndrome due to recent ingestion; Withdrawal: substance-specific syndrome due to cessation/reduction after heavy/prolonged use
Persistent deficits in social communication/interaction across multiple contexts (≥3 components: social-emotional reciprocity; nonverbal communicative behaviours; developing/maintaining relationships)
Recurrent binge eating episodes (eating large amount in discrete period + sense of lack of control)
Prominent depressive episode directly attributable to physiological effects of a medical condition
Pattern of culturally inappropriate, overly familiar behaviour with relatively unfamiliar adults; ≥2 of: reduced/absent reticence; overly familiar verbal/physical behaviour; diminished checking back with caregiver; willingness to go with unfamiliar adult
Criteria met for major or mild NCD
Predominant complaint of dissatisfaction with sleep quantity/quality: ≥1 of: difficulty initiating sleep; difficulty maintaining sleep (frequent awakenings); early morning awakening with inability to return to sleep
Subjective complaints of restlessness after exposure to medication
Symptoms characteristic of a feeding/eating disorder causing clinically significant distress/impairment
Criteria met for a personality disorder (enduring pattern of inner experience/behaviour deviating markedly from cultural expectations; pervasive; inflexible; stable; leading to distress/impairment)
Symptoms characteristic of a schizophrenia spectrum/other psychotic disorder causing clinically significant distress/impairment
Symptoms characteristic of a trauma/stressor-related disorder causing clinically significant distress/impairment
Depressed mood most of the day, more days than not, for ≥2 years (≥1 yr children/adolescents)
≥5 symptoms in final week before menses, improve within days of onset, become minimal/absent post-menses
Intoxication: recent sedative/hypnotic/anxiolytic use; Withdrawal: cessation/reduction after prolonged heavy use
Repetitive, seemingly driven, and apparently purposeless motor behaviour (e.g. hand shaking/waving, body rocking, head banging, self-biting, hitting own body)