21Symptoms, signs or clinical findings, not elsewhere classified
Mental or behavioural symptoms, signs or clinical findings
MB26Symptoms or signs involving content of thought
MB26.0Delusion
MB26.03
category
Delusion of reference
Definition A delusion that events, objects, or other people in the person's immediate environment have a particular and unusual personal significance, usually of a negative or pejorative nature.
Also indexed as
Delusion of reference
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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