21Symptoms, signs or clinical findings, not elsewhere classified
Symptoms, signs or clinical findings involving the skin
Symptoms or signs involving the skin
ME63Chronic skin disorder of uncertain or unspecified nature
ME63.1
category
Chronic urticarial skin disorder
Definition A provisional diagnosis for a rash consisting of persistent urticated papules and plaques for which a more precise diagnosis has not been or cannot be made. Diagnoses which should be considered include immunobullous disorders, urticarial vasculitis and drug reactions.
Also indexed as
Chronic dermal hypersensitivity reaction Chronic urticarial dermatitis Chronic urticarial skin disorder
Nearby in Chronic skin disorder of uncertain or unspecified nature
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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