AA. Consistent pattern of inhibited, emotionally withdrawn behaviour toward caregivers; ≥2 of: rarely seeks/responds to comfort when distressed; minimal positive affect; unexplained irritability/sadness/fearfulness B. Persistent social/emotional disturbance: ≥2 of: minimal social/emotional responsiveness; limited positive affect; episodes of irritability/sadness/fearfulness during non-threatening caregiver interactions C. Experienced grossly insufficient care (neglect/deprivation; repeated caregiver changes; rearing in unusual settings)
BA. Deficits in intellectual functions (reasoning, problem-solving, planning, abstract thinking, judgement, academic learning, experiential learning) confirmed by clinical assessment and standardised testing B. Deficits in adaptive functioning in ≥1 of: conceptual, social, or practical domains — resulting in failure to meet developmental/sociocultural standards for personal independence/social responsibility C. Onset of intellectual and adaptive deficits during the developmental period
Common specifiers
APersistent; Severe
BMild; Moderate; Severe; Profound
Differential flags
ADSED (opposite behavioural pattern; same causal history); ASD (social communication deficits not caregiver-specific); Intellectual disability
BASD (social deficits; RRBs; may coexist - code both when criteria independently met); Specific learning disorder (domain-specific; overall intellectual function preserved); Communication disorder (language-specific; not global intellectual impairment)