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
Repeated regurgitation of food for ≥1 month; regurgitated food may be re-chewed, re-swallowed, or spat out
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)
Preoccupation with having or acquiring a serious illness
Symptoms characteristic of a somatic symptom/related disorder causing clinically significant distress/impairment
≥1 somatic symptom that is distressing or results in significant disruption of daily life
Hypomanic episode threshold has been met.
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
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
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
Pervasive pattern of disregard for/violation of rights of others since age 15: ≥3 of 7: failure to conform to lawful behaviours; deceitfulness; impulsivity; irritability/aggressiveness; reckless disregard for safety; consistent irresponsibility; lack of remorse
≥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)
Pervasive pattern of social inhibition, feelings of inadequacy, and hypersensitivity to negative evaluation, beginning by early adulthood; ≥4 of 7: avoids occupational activities involving interpersonal contact due to fears of criticism; unwilling to get involved unless certain of being liked; shows restraint in intimate relationships due to fear of shame; preoccupied with being criticised/rejected; inhibited in new interpersonal situations; views self as socially inept/unappealing/inferior; unusually reluctant to take risks or engage in new activities
Pervasive pattern of instability of interpersonal relationships, self-image, and affect, with marked impulsivity beginning by early adulthood; ≥5 of 9: frantic efforts to avoid abandonment; unstable intense relationships; identity disturbance; impulsivity in ≥2 damaging areas; suicidal/self-mutilating behaviour; affective instability; chronic emptiness; inappropriate intense anger; transient stress-related paranoia/dissociation
≥1 of: delusions; hallucinations; disorganised speech; grossly disorganised/catatonic behaviour
≥3 of 12 catatonia symptoms: stupor; catalepsy; waxy flexibility; mutism; negativism; posturing; mannerism; stereotypy; agitation; grimacing; echolalia; echopraxia
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
≥1 month of ≥1 delusion(s)
Pervasive and excessive need to be taken care of, leading to submissive and clinging behaviour and fears of separation, beginning by early adulthood; ≥5 of 8: difficulty making everyday decisions without advice/reassurance; needs others to assume responsibility for major areas of life; difficulty expressing disagreement out of fear; difficulty initiating projects alone; goes to excessive lengths to obtain nurturance/support; feels uncomfortable/helpless when alone; urgently seeks a replacement relationship when one ends; preoccupied with fears of being left to care for self
Acquisition and execution of coordinated motor skills is substantially below expected for chronological age and opportunity for skill learning
Severe recurrent temper outbursts (verbal or behavioural), grossly disproportionate to situation, ≥3×/week
Criteria met for major or mild NCD
Marked incongruence between one's experienced/expressed gender and assigned gender, ≥6 months; in adolescents/adults: ≥2 of: incongruence between experienced gender and primary/secondary sex characteristics; strong desire to be rid of primary/secondary sex characteristics; strong desire for sex characteristics of experienced gender; strong desire to be of experienced gender; strong desire to be treated as experienced gender; strong conviction of having typical feelings/reactions of experienced gender
Deficits in intellectual functions (reasoning, problem-solving, planning, abstract thinking, judgement, academic learning, experiential learning) confirmed by clinical assessment and standardised testing
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
Recurrent failure to resist impulses to steal objects that are not needed for personal use or for their monetary value
Criteria met for major or mild NCD with insidious onset and gradual progression
≥5 of 9 SIG-E-CAPS symptoms for ≥2 weeks; ≥1 must be depressed mood or anhedonia
Subjective complaints of restlessness after exposure to medication
Abnormal and prolonged contraction of muscles of eyes, face, neck, limbs, or trunk developing in association with medication use
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 major or mild NCD
Pervasive pattern of preoccupation with orderliness, perfectionism, and mental/interpersonal control (at the expense of flexibility, openness, and efficiency), beginning by early adulthood; ≥4 of 8: preoccupation with details/rules/order; perfectionism interfering with task completion; excessively devoted to work; overconscientious about morality/ethics; unable to discard worthless objects; reluctant to delegate; miserly; rigidity/stubbornness
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
Medication-induced movement symptoms causing clinically significant distress or impairment
Symptoms characteristic of a schizophrenia spectrum/other psychotic disorder causing clinically significant distress/impairment
Symptoms characteristic of a sexual dysfunction causing clinically significant distress
Pervasive distrust and suspiciousness of others such that their motives are interpreted as malevolent, beginning by early adulthood; ≥4 of 7: suspects exploitation/harm/deception; preoccupied with unjustified doubts about loyalty; reluctant to confide; reads hidden threatening meanings; bears grudges; perceives attacks on character not apparent to others; recurrent suspicions about fidelity of partner
Single or multiple motor OR vocal tics (but not both motor and vocal) have been present at some time
Depressed mood most of the day, more days than not, for ≥2 years (≥1 yr children/adolescents)
Death of someone close to the bereaved person ≥12 months ago (≥6 months in children/adolescents)
Prominent hallucinations or delusions
Deliberate and purposeful fire setting on more than one occasion
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
Uninterrupted period of illness including a major mood episode (MDE or manic) concurrent with Schizophrenia Criterion A symptoms
Pervasive pattern of detachment from social relationships and restricted range of emotional expression, beginning by early adulthood; ≥4 of 7: neither desires nor enjoys close relationships; almost always chooses solitary activities; little/no interest in sexual experiences; few/no pleasurable activities; lacks close friends; appears indifferent to praise/criticism; shows emotional coldness/detachment/flat affect
≥2 of: delusions; hallucinations; disorganised speech; grossly disorganised/catatonic behaviour; negative symptoms — ≥1 must be delusions, hallucinations, or disorganised speech
Same symptom criteria as Schizophrenia (≥2 of the 5 symptom clusters; ≥1 must be delusions, hallucinations, or disorganised speech)
Pervasive pattern of social/interpersonal deficits with acute discomfort in close relationships, cognitive/perceptual distortions, and eccentricities of behaviour, beginning by early adulthood; ≥5 of 9: ideas of reference; odd beliefs/magical thinking; unusual perceptual experiences; odd thinking/speech; suspiciousness/paranoid ideation; inappropriate/constricted affect; odd/eccentric behaviour/appearance; lacks close friends; excessive social anxiety
Persistent difficulty with speech sound production that interferes with speech intelligibility or prevents verbal communication of messages
Repetitive, seemingly driven, and apparently purposeless motor behaviour (e.g. hand shaking/waving, body rocking, head banging, self-biting, hitting own body)
Prominent hallucinations or delusions
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
Involuntary movements (tardive dystonia: sustained/repetitive muscle contractions; tardive akathisia: subjective restlessness + repetitive movements) developing in association with neuroleptic use, persisting ≥4 weeks
Criteria met for major or mild NCD