1E91

ICD-11 MMS 2026-01

Zoster

Description

A disease caused by the reactivation of a latent infection with varicella zoster virus. This disease commonly presents with a rash (typically within one or two adjacent dermatomes), cutaneous hyperaesthesia, or fever.

Exclusions from above levels

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

Child codes

  • 1E91.0 – Zoster without complications
  • 1E91.1 – Ophthalmic zoster
  • 1E91.2 – Disseminated zoster
  • 1E91.3 – Zoster with central nervous system involvement
  • 1E91.4 – Acute neuropathy of cranial nerve due to zoster
  • 1E91.5 – Postherpetic polyneuropathy
  • 1E91.Y – Zoster with other specified complications
  • 1E91.Z – Zoster, unspecified

Sibling codes

Foundation entity

Zoster – http://id.who.int/icd/entity/523481501

Allowed postcoordination axes

Part of: 01: Certain infectious or parasitic diseases