4A85.02

ICD-11 MMS 2026-01

Drug-induced cytopenia

Description

Drug-induced cytopenia is a relatively common immune-mediated cytopenia and the target cells include erythrocytes, leukocytes, platelets and hematopoietic precursor cells in the marrow. The most frequent condition is the drug-induced immune thrombocytopenia and the most frequent implicated drugs are penicillin and structurally related drugs, quinine, quinidine, sulfonamide antibiotics, non-steroidal anti-inflammatory drugs and anticonvulsants.

Index terms

  • Drug-induced cytopenia
  • medicament-induced cytopenia

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
  • 4A85.03 – Drug-induced vasculitis
  • 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 cytopenia – http://id.who.int/icd/entity/102709764

Allowed postcoordination axes

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