ICD-11 classes
06 Mental, behavioural or neurodevelopmental disorders
Anxiety or fear-related disorders

ICD-11 Anxiety or fear-related disorders

Anxiety and fear-related disorders are characterised by excessive fear and anxiety and related behavioural disturbances, with symptoms that are severe enough to result in significant distress or significant impairment in personal, family, social, educational, occupational, or other important areas of functioning. Fear and anxiety are closely related phenomena; fear represents a reaction to perceived imminent threat in the present, whereas anxiety is more future-oriented, referring to perceived anticipated threat. A key differentiating feature among the Anxiety and fear-related disorders are disorder-specific foci of apprehension, that is, the stimulus or situation that triggers the fear or anxiety. The clinical presentation of Anxiety and fear-related disorders typically includes specific associated cognitions that can assist in differentiating among the disorders by clarifying the focus of apprehension.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 12 clarifying diagnoses:

  1. 6B00 — Generalised anxiety disorder
  2. 6B01 — Panic disorder
  3. 6B02 — Agoraphobia
  4. 6B03 — Specific phobia
  5. 6B04 — Social anxiety disorder
  6. 6B05 — Separation anxiety disorder
  7. 6B06 — Selective mutism
  8. Substance-induced anxiety disorders
    It contains 15 clarifying diagnoses.
  9. 6B23 — Hypochondriasis
    It contains 3 clarifying diagnoses.
  10. 6E63 — Secondary anxiety syndrome
  11. 6B0Y — Other specified anxiety or fear-related disorders
  12. 6B0Z — Anxiety or fear-related disorders, unspecified

The diagnosis is included in 3 other classes.

  • Substance-induced anxiety disorders
  • Hypochondriasis (6B23)
  • Secondary anxiety syndrome (6E63)

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