MB23.0

ICD-11 MMS 2026-01

Aggressive behaviour

Description

Actions intended to threaten or hurt another person or to damage property that may be physical, verbal, or symbolic (e.g., acting against the other person's interests). Aggressive behaviour may be appropriate and self-protective, or inappropriate, hostile, and destructive.

Index terms

  • Aggressive behaviour
  • Violent behaviour
  • physical violence

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

  • MB23.1 – Antisocial behaviour
  • MB23.2 – Avoidance behaviour
  • MB23.3 – Bradyphrenia
  • MB23.4 – Compulsions
  • MB23.5 – Coprolalia
  • MB23.6 – Disorganised behaviour
  • 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

Aggressive behaviour – http://id.who.int/icd/entity/501393848

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