MB21.4

ICD-11 MMS 2026-01

Disorientation

Description

Impairment in or loss of awareness of the position of the self in relation to place, time, situation, or other persons. In severe cases, the sense of personal identity may also be lost.

Index terms

  • Disorientation
  • mental confusion NOS

Exclusions from above levels

  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Sibling codes

  • MB21.0 – Age-associated cognitive decline
  • MB21.1 – Amnesia
  • MB21.2 – Anosognosia
  • MB21.3 – Confabulation
  • MB21.5 – Distractibility
  • MB21.6 – Impaired abstract thinking
  • MB21.7 – Impaired executive functioning
  • MB21.8 – Impaired judgment
  • MB21.9 – Perseveration
  • MB21.A – Poor concentration
  • MB21.B – Racing thoughts
  • MB21.Y – Other specified symptoms, signs or clinical findings involving cognition
  • MB21.Z – Symptoms, signs or clinical findings involving cognition, unspecified

Foundation entity

Disorientation – http://id.who.int/icd/entity/1110239801

Part of: MB21: Symptoms, signs or clinical findings involving cognition › 21: Symptoms, signs or clinical findings, not elsewhere classified