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
MB26.07
category
Persecutory delusion
Definition A delusion in which the central theme is that one (or someone to whom one is close) is being attacked, mocked, harassed, cheated, conspired against, or persecuted.
Also indexed as
Persecutory delusion
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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