MB23.6

ICD-11 MMS 2026-01

Disorganised behaviour

Description

Behaviour including posture, gait, and other activity that is unpredictable or not goal-directed (e.g., shouting at strangers on the street).

Index terms

  • Disorganised behaviour
  • inexplicable behaviour
  • strange behaviour

Exclusions from above levels

  • MG43.4Y – Insufficient intake of food or water due to self neglect
  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Sibling codes

  • MB23.0 – Aggressive behaviour
  • MB23.1 – Antisocial behaviour
  • MB23.2 – Avoidance behaviour
  • MB23.3 – Bradyphrenia
  • MB23.4 – Compulsions
  • MB23.5 – Coprolalia
  • MB23.7 – Disheveled appearance
  • MB23.8 – Disruptive behaviour
  • MB23.9 – Echolalia
  • MB23.A – Excessive crying of child, adolescent, or adult
  • MB23.C – Increased sociability
  • MB23.D – Mutism
  • MB23.E – Non-suicidal self-injury
  • MB23.F – Odd or peculiar appearance
  • MB23.G – Odd or peculiar behaviour
  • MB23.H – Panic attack
  • MB23.J – Poor personal hygiene
  • MB23.K – Poverty of speech
  • MB23.L – Pressured speech
  • MB23.M – Psychomotor agitation
  • MB23.N – Psychomotor retardation
  • MB23.Q – Social withdrawal
  • MB23.R – Suicide attempt
  • MB23.S – Suicidal behaviour
  • MB23.Y – Other specified symptoms and signs involving appearance and behaviour
  • MB23.Z – Symptoms and signs involving appearance and behaviour, unspecified

Foundation entity

Disorganised behaviour – http://id.who.int/icd/entity/1756562962

Part of: MB23: Symptoms or signs involving appearance or behaviour › 21: Symptoms, signs or clinical findings, not elsewhere classified