21Symptoms, signs or clinical findings, not elsewhere classified Mental or behavioural symptoms, signs or clinical findings MB24Symptoms or signs involving mood or affect
MB24.3
category
Anxiety
Definition Apprehensiveness or anticipation of future danger or misfortune accompanied by a feeling of worry, distress, or somatic symptoms of tension. The focus of anticipated danger may be internal or external.
Also indexed as
Anxiety Nervous tension Nervousness nervous nervous irritation nervous trouble
Nearby in Symptoms or signs involving mood or affect
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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