BC42.0

ICD-11 MMS 2026-01

Giant cell myocarditis

Description

Giant cell myocarditis is a form of dilated cardiomyopathy secondary to myocardial inflammation that is characterised by widespread infiltration of giant cells (abnormal masses produced by the fusion of macrophages) associated with other inflammatory cells and heart muscle cell destruction.

Index terms

  • Giant cell myocarditis
  • Giant cell inflammatory cardiomyopathy

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • BC42.1 – Infectious myocarditis
  • BC42.2 – Hypersensitivity myocarditis
  • BC42.3 – Rheumatic myocarditis
  • BC42.Y – Other specific myocarditis
  • BC42.Z – Myocarditis, unspecified

Foundation entity

Giant cell myocarditis – http://id.who.int/icd/entity/507103735

Part of: BC42: Myocarditis › 11: Diseases of the circulatory system