01Certain infectious or parasitic diseases
Viral infections characterised by skin or mucous membrane lesions
Varicella zoster virus infections
1E91Zoster
1E91.0
category
Zoster without complications
Definition A painful blistering skin eruption following a dermatomal distribution resulting from reactivation of Varicella zoster virus in dorsal nerve root ganglia.
Also indexed as
Zoster without complications
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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