4A85.03

ICD-11 MMS 2026-01

Drug-induced vasculitis

Description

Drug-induced vasculitis is an inflammatory vasculopathy associated with drugs of almost every class and accounting for approximately 3% of the vasculitides. Although small vessel disease limited to the skin is the most common form, involvement of blood vessels in virtually every organ system may occur. It can present multiorgan involvement and the mortality is described in up to 10% of cases.

Index terms

  • Drug-induced vasculitis
  • medicament-induced vasculitis
  • Drug-associated immune complex vasculitis
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  • Drug-induced leucocytoclastic vasculitis
  • Drug-induced serum sickness-like reaction

Exclusions from above levels

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

Sibling codes

  • 4A85.00 – Drug-induced liver hypersensitivity disease
  • 4A85.01 – Drug-induced kidney hypersensitivity
  • 4A85.02 – Drug-induced cytopenia
  • 4A85.04 – Multiple drug hypersensitivity syndrome
  • 4A85.0Y – Drug hypersensitivity of other specified type
  • 4A85.0Z – Drug hypersensitivity of unspecified type

Foundation entity

Drug-induced vasculitis – http://id.who.int/icd/entity/1376183765

Allowed postcoordination axes

Part of: 4A85.0: Drug or pharmacological agents hypersensitivity › 4A85: Complex allergic or hypersensitivity conditions › 04: Diseases of the immune system