4A85

ICD-11 MMS 2026-01

Complex allergic or hypersensitivity conditions

Exclusions from above levels

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

Child codes

  • 4A85.0 – Drug or pharmacological agents hypersensitivity
  • 4A85.1 – Hypersensitivity to herbal or alternative medical therapies
  • 4A85.2 – Food hypersensitivity
  • 4A85.3 – Allergic or hypersensitivity reactions to arthropods
  • 4A85.Y – Other specified complex allergic or hypersensitivity conditions
  • 4A85.Z – Complex allergic or hypersensitivity conditions, unspecified

Sibling codes

  • 4A80 – Allergic or hypersensitivity disorders involving the respiratory tract
  • 4A81 – Allergic or hypersensitivity disorders involving the eye
  • 4A82 – Allergic or hypersensitivity disorders involving skin or mucous membranes
  • 4A83 – Allergic or hypersensitivity disorders involving the gastrointestinal tract
  • 4A84 – Anaphylaxis
  • 4A8Y – Allergic or hypersensitivity conditions of other specified type
  • 4A8Z – Allergic or hypersensitivity conditions of unspecified type

Foundation entity

Complex allergic or hypersensitivity conditions – http://id.who.int/icd/entity/1426309905

Part of: 04: Diseases of the immune system