MB28.5

ICD-11 MMS 2026-01

Impulsivity

Description

A tendency to act on the spur of the moment in response to immediate stimuli, characterised by lack of deliberation and failure to consider risks and consequences before acting. Impulsivity may reflect a desire for immediate rewards or an inability to delay gratification.

Index terms

  • Impulsivity

Exclusions from above levels

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

Sibling codes

  • MB28.0 – Attention seeking
  • MB28.1 – Callousness
  • MB28.2 – Eccentricity
  • MB28.3 – Entitlement
  • MB28.4 – Hostility
  • MB28.6 – Indecisiveness
  • MB28.7 – Irresponsibility
  • MB28.8 – Low frustration tolerance
  • MB28.9 – Low self-esteem
  • MB28.A – Negative affectivity
  • MB28.B – Negativism
  • MB28.C – Perfectionism
  • MB28.D – Pessimism
  • MB28.E – Recklessness
  • MB28.F – Sensation seeking
  • MB28.G – Stubbornness
  • MB28.H – Submissiveness
  • MB28.Y – Other specified symptoms and signs related to personality features
  • MB28.Z – Symptoms and signs related to personality features, unspecified

Foundation entity

Impulsivity – http://id.who.int/icd/entity/932178015

Part of: MB28: Symptoms or signs related to personality features › 21: Symptoms, signs or clinical findings, not elsewhere classified