MB25.02

ICD-11 MMS 2026-01

Disorganised thinking

Description

A disturbance in the associative thought process typically manifested in speech in which the person shifts suddenly from one topic to another that is unrelated or minimally related to the first. The individual gives no indication of being aware of the disconnectedness or illogicality of their thinking.

Index terms

  • Disorganised thinking
  • disorganised speech
  • loose associations
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  • thought derailment

Exclusions from above levels

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

Sibling codes

  • MB25.00 – Circumstantiality
  • MB25.01 – Tangentiality
  • MB25.03 – Incoherence
  • MB25.0Y – Other specified symptoms or signs of thought disorder
  • MB25.0Z – Symptoms or signs of thought disorder, unspecified

Foundation entity

Disorganised thinking – http://id.who.int/icd/entity/1746204479

Part of: MB25.0: Symptoms or signs of thought disorder › MB25: Symptoms or signs involving form of thought › 21: Symptoms, signs or clinical findings, not elsewhere classified