MB27.0

ICD-11 MMS 2026-01

Depersonalisation

Description

Experiencing the self as strange or unreal, or feeling detached from, or as though one were an outside observer of, one’s thoughts, feelings, sensations, body, or actions. Depersonalization may take the form of emotional and/or physical numbing, a sense of watching oneself from a distance or ‘being in a play’, or perceptual alterations (e.g., a distorted sense of time).

Index terms

  • Depersonalisation

Exclusions from above levels

  • MB40.5 – disturbances of skin sensation
  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Sibling codes

  • MB27.1 – Derealisation
  • MB27.2 – Hallucinations
  • MB27.3 – Disturbance of body image
  • MB27.4 – Illusions
  • MB27.Y – Other specified symptoms or signs of perceptual disturbance
  • MB27.Z – Symptoms or signs of perceptual disturbance, unspecified

Foundation entity

Depersonalisation – http://id.who.int/icd/entity/36155616

Part of: MB27: Symptoms or signs involving perceptual disturbance › 21: Symptoms, signs or clinical findings, not elsewhere classified