ICD-11 Classification of Mental and Behavioural Disorders

06 Mental, Behavioural or Neurodevelopmental Disorders
Foundation URI: http://id.who.int/icd/entity/334423054


Mental, behavioural and neurodevelopmental disorders are syndromes characterised by clinically significant disturbance in an individual's cognition, emotional regulation, or behaviour that reflects a dysfunction in the psychological, biological, or developmental processes that underlie mental and behavioural functioning. These disturbances are usually associated with distress or impairment in personal, family, social, educational, occupational, or other important areas of functioning.


  • Acute stress reaction (QE84)
  • Uncomplicated bereavement (QE62)

Coded Elsewhere

  • Sleep-wake disorders (7A00-7B2Z)
  • Sexual dysfunctions (HA00-HA0Z)
  • Gender incongruence (HA60-HA6Z)


  1. Personality disorders and related traits
  2. Mental or behavioural disorders associated with pregnancy, childbirth or the puerperium
  3. Psychological or behavioural factors affecting disorders or diseases classified elsewhere
  4. Secondary mental or behavioural syndromes associated with disorders or diseases classified elsewhere
  5. Impulse control disorders
  6. Disruptive behaviour or dissocial disorders
  7. Paraphilic disorders
  8. Neurocognitive disorders
  9. Factitious disorders 
  10. Schizophrenia or other primary psychotic disorders
  11. Neurodevelopmental disorders 
  12. Catatonia 
  13. Mood disorders
  14. Anxiety or fear-related disorders
  15. Disorders specifically associated with stress
  16. Dissociative disorders
  17. Obsessive-compulsive or related disorders
  18. Elimination disorders 
  19. Disorders of bodily distress or bodily experience

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