EK10

ICD-11 MMS 2026-01

Allergic contact urticaria

Description

Allergic contact urticaria is a Type I IgE-mediated immediate immune reaction from cutaneous or mucosal contact to a substance or substances to which the individual has previously been exposed.

Child codes

  • EK10.0 – Oral allergy syndrome
  • EK10.1 – Contact urticaria due to food allergen
  • EK10.Y – Other specified allergic contact urticaria
  • EK10.Z – Allergic contact urticaria, unspecified

Sibling codes

  • EH90 – Pressure ulceration
  • EH92 – Dermatoses provoked by friction or mechanical stress
  • EH93 – Dermatoses due to foreign bodies in the skin
  • EH94 – Scar of skin, not elsewhere classified
  • EK00 – Allergic contact dermatitis
  • EK01 – Photo-allergic contact dermatitis
  • EK02 – Irritant contact dermatitis
  • EK11 – Protein contact dermatitis
  • EK12 – Allergic contact sensitisation
  • EK50 – Cutaneous reactions to venomous or noxious animals
  • EK5Y – Other specified skin disorders provoked by external factors

Foundation entity

Allergic contact urticaria – http://id.who.int/icd/entity/1674422101

Part of: 14: Diseases of the skin