EB00.1

ICD-11 MMS 2026-01

Chronic urticaria

Description

Spontaneous urticaria lasting six weeks or more.

Index terms

  • Chronic urticaria
  • Chronic ordinary urticaria
  • Chronic spontaneous urticaria
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  • Chronic autoimmune urticaria
  • Chronic urticaria due to underlying infection or infestation
  • Chronic urticaria due to pseudoallergy
  • Chronic urticaria due to other specified mechanism
  • Chronic urticaria of undetermined aetiology
  • Chronic idiopathic urticaria

Inclusions

  • Chronic ordinary urticaria
  • Chronic spontaneous urticaria
  • Chronic autoimmune urticaria
  • Chronic urticaria due to underlying infection or infestation
  • Chronic urticaria due to pseudoallergy
  • Chronic urticaria due to other specified mechanism
  • Chronic urticaria of undetermined aetiology

Exclusions from above levels

  • 2A21.10 – Urticaria pigmentosa
  • EK50.00 – Papular urticaria
  • 1B72.0 – Bullous impetigo of the napkin area
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  • 1F23.12 – Napkin candidosis
  • EH71 – Dermatoses precipitated by drug therapy
  • EH76 – Dermatoses associated with specific classes of medication

Sibling codes

  • EB00.0 – Acute urticaria
  • EB00.Z – Spontaneous urticaria, unspecified

Foundation entity

Chronic urticaria – http://id.who.int/icd/entity/901000137

Part of: EB00: Spontaneous urticaria › 14: Diseases of the skin