Functional neurological symptom disorder (conversion disorder)
≥1 symptom of altered voluntary motor or sensory function
Somatic & FunctionalF44.x
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≥1 symptom of altered voluntary motor or sensory function
≥1 somatic symptom that is distressing or results in significant disruption of daily life
Symptoms characteristic of a somatic symptom/related disorder causing clinically significant distress/impairment
Inability to recall important autobiographical information (usually traumatic/stressful) inconsistent with ordinary forgetting; may include dissociative fugue (purposeful travel or bewildered wandering)
Persistent difficulties in social use of verbal/nonverbal communication; ≥1 of: deficits in using communication for social purposes; inability to change communication to match context; difficulty following rules for conversations and storytelling; difficulty understanding what is not explicitly stated
Difficulties learning and using academic skills despite intervention; ≥1 of 6 symptoms for ≥6 months: inaccurate/slow word reading; difficulty decoding; poor spelling; difficulties with written expression; poor number sense; mathematical reasoning difficulties
≥3 of 12 catatonia symptoms: stupor; catalepsy; waxy flexibility; mutism; negativism; posturing; mannerism; stereotypy; agitation; grimacing; echolalia; echopraxia
Either of: marked delay in ejaculation; marked infrequency or absence of ejaculation, on almost all occasions of partnered sexual activity (≥75–100%), without desire for delay
≥1 of 3 symptoms on almost all occasions (≥75–100%) of sexual activity: marked difficulty attaining an erection; marked difficulty maintaining an erection until completion of sexual activity; marked decrease in erectile rigidity
Excessive anxiety/worry about multiple events/activities, more days than not for ≥6 months
Abnormal and prolonged contraction of muscles of eyes, face, neck, limbs, or trunk developing in association with medication use
Criteria met for major or mild NCD
Medication-induced movement symptoms causing clinically significant distress or impairment
Symptoms characteristic of a depressive disorder causing clinically significant distress/impairment
Symptoms characteristic of a disruptive, impulse-control, or conduct disorder causing clinically significant distress/impairment
Symptoms characteristic of a dissociative disorder causing clinically significant distress/impairment
Symptoms characteristic of an OCD-related disorder causing clinically significant distress/impairment
Symptoms characteristic of a schizophrenia spectrum/other psychotic disorder causing clinically significant distress/impairment
Symptoms characteristic of a bipolar/related disorder causing clinically significant distress/impairment
Uninterrupted period of illness including a major mood episode (MDE or manic) concurrent with Schizophrenia Criterion A symptoms
≥2 of: delusions; hallucinations; disorganised speech; grossly disorganised/catatonic behaviour; negative symptoms — ≥1 must be delusions, hallucinations, or disorganised speech
Symptoms characteristic of a bipolar/related disorder causing clinically significant distress/impairment
Exposure to actual/threatened death, serious injury, or sexual violence (same exposure types as PTSD Criterion A)
Emotional or behavioural symptoms in response to an identifiable stressor, within 3 months of stressor onset
≥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
≥6 inattentive symptoms and/or ≥6 hyperactive-impulsive symptoms (≥5 for age ≥17) for ≥6 months, inconsistent with developmental level and negatively impacting activities
Persistent deficits in social communication/interaction across multiple contexts (≥3 components: social-emotional reciprocity; nonverbal communicative behaviours; developing/maintaining relationships)
Intoxication: recent cannabis use with clinically significant maladaptive behavioural/psychological changes; Withdrawal: cessation/reduction of heavy prolonged use
Disturbances in normal fluency and time patterning of speech inappropriate for age and language skills; ≥1 of: sound/syllable repetitions; sound prolongations; broken words; audible/silent blocking; circumlocutions; words produced with excess physical tension; monosyllabic whole-word repetitions
≥2 years (≥1 yr children/adolescents) of hypomanic AND depressive symptoms not meeting full episode criteria
Acquisition and execution of coordinated motor skills is substantially below expected for chronological age and opportunity for skill learning
Recurrent skin picking resulting in skin lesions
Falsification of physical or psychological signs or symptoms, or induction of injury or disease, associated with identified deception in self (imposed on self) or in another person (imposed on another)
≥1 of: marked delay in, marked infrequency of, or absence of orgasm; markedly reduced intensity of orgasmic sensations — on almost all occasions (≥75–100%) of sexual activity
Absent/reduced sexual interest/arousal; ≥3 of: absent/reduced interest in sexual activity; absent/reduced sexual/erotic thoughts or fantasies; no/reduced initiation of sexual activity and unreceptive to partner's attempts; absent/reduced sexual excitement/pleasure during sexual activity in ≥75–100% encounters; absent/reduced sexual interest/arousal in response to any internal/external erotic cues; absent/reduced genital or non-genital sensations during sexual activity in ≥75–100% encounters
Persistent or recurrent difficulties with ≥1 of: vaginal penetration during intercourse; marked vulvovaginal or pelvic pain during intercourse or penetration attempts; marked fear/anxiety about vulvovaginal or pelvic pain in anticipation of, during, or as a result of vaginal penetration; marked tensing or tightening of pelvic floor muscles during vaginal penetration attempts
Preoccupation with having or acquiring a serious illness
Persistent difficulties in acquisition and use of language across modalities (spoken, written, sign, or other) due to deficits in comprehension or production, including reduced vocabulary, limited sentence structure, and impairments in discourse
≥5 of 9 SIG-E-CAPS symptoms for ≥2 weeks; ≥1 must be depressed mood or anhedonia
Persistently or recurrently deficient (or absent) sexual/erotic thoughts or fantasies AND desire for sexual activity; clinician judges deficiency considering age and general/sociocultural context
Subjective complaints of restlessness after exposure to medication
Parkinsonian tremor, muscular rigidity, or akinesia developing in association with medication use (most commonly neuroleptic/antipsychotic or dopamine-depleting agent)
Dopamine antagonist exposure (antipsychotic or antiemetic) and development of severe muscle rigidity and elevated temperature
Presence of obsessions (recurrent/persistent intrusive thoughts/urges/images + attempts to suppress or neutralise), compulsions (repetitive behaviours/mental acts driven by rigid rules aimed at reducing distress/feared event), or both
Evidence by polysomnography of ≥5 obstructive apnoeas/hypopnoeas per hour of sleep + ≥1 of: nocturnal breathing disturbances (snoring, snorting, gasping, breathing pauses); daytime sleepiness/fatigue/unrefreshing sleep not explained by another disorder; OR ≥15 obstructive apnoeas/hypopnoeas per hour of sleep regardless of accompanying symptoms
≥4 symptoms from: angry/irritable mood (loses temper; touchy/easily annoyed; angry/resentful); argumentative/defiant behaviour (argues with authority; defies rules; deliberately annoys; blames others); or vindictiveness — for ≥6 months, exhibited during interaction with ≥1 non-sibling individual
Symptoms characteristic of an anxiety disorder causing clinically significant distress/impairment
Symptoms characteristic of a feeding/eating disorder causing clinically significant distress/impairment
Symptoms characteristic of a sexual dysfunction causing clinically significant distress
Symptoms characteristic of a trauma/stressor-related disorder causing clinically significant distress/impairment
Recurrent unexpected panic attacks (abrupt surge reaching peak within minutes; ≥4 of 13 symptoms)
Exposure to actual/threatened death, serious injury, or sexual violence (direct, witnessed, learning about close person, or repeated indirect exposure)
Persistent or recurrent pattern of ejaculation occurring during partnered sexual activity within ≈1 minute of vaginal penetration and before the individual wishes it, on ≥75–100% of occasions
≥5 symptoms in final week before menses, improve within days of onset, become minimal/absent post-menses
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
Same symptom criteria as Schizophrenia (≥2 of the 5 symptom clusters; ≥1 must be delusions, hallucinations, or disorganised speech)
Excessive fear/anxiety about separation from attachment figures; ≥3 of 8 specified symptoms
Persistent difficulty with speech sound production that interferes with speech intelligibility or prevents verbal communication of messages
Prominent hallucinations or delusions
Involuntary movements (tardive dystonia: sustained/repetitive muscle contractions; tardive akathisia: subjective restlessness + repetitive movements) developing in association with neuroleptic use, persisting ≥4 weeks
Recurrent pulling out of one's hair, resulting in hair loss
Hypomanic episode threshold has been met.
≥1 of: delusions; hallucinations; disorganised speech; grossly disorganised/catatonic behaviour
≥1 month of ≥1 delusion(s)
Criteria met for major or mild NCD
Depressed mood most of the day, more days than not, for ≥2 years (≥1 yr children/adolescents)
Prominent anxiety, panic attacks, or obsessions/compulsions directly attributable to physiological effects of another medical condition
≥1 full manic episode (abnormally elevated/expansive/irritable mood + ↑energy, ≥7 days or any duration if hospitalised)
Evidence by polysomnography of ≥5 central apnoeas per hour of sleep
Persistent or recurrent experiences of depersonalisation (feelings of unreality/detachment from one's mind/body) and/or derealisation (feelings of unreality of surroundings)
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
Disruption of identity characterised by ≥2 distinct personality states/possession experiences with marked discontinuity in sense of self and agency, accompanied by alterations in affect, behaviour, consciousness, memory, perception, cognition, and/or sensory-motor functioning
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
Recurrent outbursts of failure to control aggressive impulses; ≥1 of: verbal aggression or physical aggression toward property/animals/individuals ≥2×/week (on average) for ≥3 months; ≥3 aggressive outbursts involving damage/injury within a 12-month period
Criteria met for major or mild NCD with insidious onset and gradual progression
Substantial cognitive decline in ≥1 domain (complex attention, executive function, learning/memory, language, perceptual-motor, social cognition) based on concern + objective evidence
Modest cognitive decline in ≥1 domain (concern of individual, knowledgeable informant, or clinician; supported by objective performance evidence)
Recurrent periods of irrepressible need to sleep, lapsing into sleep, or napping within same day, for ≥3 months; ≥1 of: cataplexy (brief episodes of bilateral muscle tone loss) ≥few times/month; hypocretin deficiency (CSF hypocretin-1 ≤110 pg/mL); REM sleep latency ≤15 min on MSLT (or mean sleep latency ≤8 min with ≥2 sleep-onset REM periods)
Criteria met for major or mild NCD
Criteria met for major or mild NCD
Criteria met for major or mild NCD
Criteria met for a personality disorder (enduring pattern of inner experience/behaviour deviating markedly from cultural expectations; pervasive; inflexible; stable; leading to distress/impairment)
Over ≥6 months, recurrent, intense sexually arousing fantasies, urges, or behaviours involving sexual activity with a prepubescent child or children (generally ≤13 years)
Persistent personality disturbance representing a change from the individual's previous characteristic personality pattern
Death of someone close to the bereaved person ≥12 months ago (≥6 months in children/adolescents)
Consistent pattern of inhibited, emotionally withdrawn behaviour toward caregivers; ≥2 of: rarely seeks/responds to comfort when distressed; minimal positive affect; unexplained irritability/sadness/fearfulness
Repeated episodes of arousal during sleep associated with vocalisation and/or complex motor behaviours
Involuntary athetoid or choreiform movements (lasting ≥4 weeks) of the tongue, jaw, trunk, or extremities that developed in association with use of a neuroleptic medication
Criteria met for major or mild NCD
Over ≥6 months, recurrent and intense sexual arousal from observing an unsuspecting person who is naked, in the process of disrobing, or engaging in sexual activity, as manifested by fantasies, urges, or behaviours
Restriction of energy intake → significantly low body weight for age, sex, developmental trajectory, and physical health