01Certain infectious or parasitic diseases
Viral infections characterised by skin or mucous membrane lesions
Varicella zoster virus infections
1E90Varicella
1E90.0
category
Varicella without complication
Definition A disease caused by an infection with varicella zoster virus. This disease is characterised by a vesicular rash and fever. Transmission is by inhalation of infected respiratory secretions, or direct contact with fluid from vesicles.
Also indexed as
Chickenpox Varicella without complication
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.
About · Data & methodology ·
Privacy · Contact