4A82

ICD-11 MMS 2026-01

Allergic or hypersensitivity disorders involving skin or mucous membranes

Description

Allergic or hypersensitivity disorders involving the skin and mucous includes a heterogeneous group of disorders involving skin and mucous membranes in which either allergy or hypersensitivity play a part.

Index terms

  • Allergic or hypersensitivity disorders involving skin or mucous membranes
  • Arthus phenomenon

Exclusions from above levels

  • 02 – Neoplasms
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 20 – Developmental anomalies

Foundation children elsewhere

  • EA80 – Atopic eczema
  • EK00 – Allergic contact dermatitis
  • EK01 – Photo-allergic contact dermatitis
  • EK10 – Allergic contact urticaria
  • EK11 – Protein contact dermatitis
  • EK12 – Allergic contact sensitisation

Sibling codes

  • 4A80 – Allergic or hypersensitivity disorders involving the respiratory tract
  • 4A81 – Allergic or hypersensitivity disorders involving the eye
  • 4A83 – Allergic or hypersensitivity disorders involving the gastrointestinal tract
  • 4A84 – Anaphylaxis
  • 4A85 – Complex allergic or hypersensitivity conditions
  • 4A8Y – Allergic or hypersensitivity conditions of other specified type
  • 4A8Z – Allergic or hypersensitivity conditions of unspecified type

Foundation entity

Allergic or hypersensitivity disorders involving skin or mucous membranes – http://id.who.int/icd/entity/1047945302

Part of: 04: Diseases of the immune system