21Symptoms, signs or clinical findings, not elsewhere classified
Mental or behavioural symptoms, signs or clinical findings
MB25Symptoms or signs involving form of thought
MB25.0
category
Symptoms or signs of thought disorder
Definition Disturbances in the associative thought process typically manifest in speech or writing that range from circumstantiality to incoherence. These may be indicative of Schizophrenia and other primary psychotic disorders but can also occur in other mental disorders (e.g., Delirium).
Nearby in Symptoms or signs involving form of thought
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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