21Symptoms, signs or clinical findings, not elsewhere classified
Mental or behavioural symptoms, signs or clinical findings
MB25Symptoms or signs involving form of thought
MB25.0Symptoms or signs of thought disorder
MB25.01
category
Tangentiality
Definition A disturbance in the associative thought process typically manifest in speech in which the person tends to digress readily from the topic under discussion to other topics through associations without ever returning to the original topic.
Also indexed as
Tangentiality
Nearby in Symptoms or signs of thought disorder
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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