1E90

ICD-11 MMS 2026-01

Varicella

Description

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.

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Child codes

  • 1E90.0 – Varicella without complication
  • 1E90.1 – Varicella meningitis
  • 1E90.2 – Varicella encephalitis
  • 1E90.Y – Varicella with other specified complication
  • 1E90.Z – Varicella, unspecified

Sibling codes

Foundation entity

Varicella – http://id.who.int/icd/entity/1805574500

Allowed postcoordination axes

Part of: 01: Certain infectious or parasitic diseases