BB25

ICD-11 MMS 2026-01

Pericardial effusion

Description

Pericardial effusion is an abnormal accumulation of fluid in the pericardial sac. Noninflammatory diseases such as chronic renal failure, circulatory congestion, hypothyroidism and amyroidosis can cause pericardial effusion.

Index terms

  • Pericardial effusion
  • Noninflammatory pericardial effusion
  • pericardium effusion
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  • Chylopericardium
  • Catamenial pericardial effusion

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

  • BB20 – Acute pericarditis
  • BB21 – Chronic rheumatic pericarditis
  • BB22 – Constrictive pericarditis
  • BB23 – Cardiac tamponade
  • BB24 – Haemopericardium
  • BB2Y – Other specified pericarditis
  • BB2Z – Pericarditis, unspecified

Foundation entity

Pericardial effusion – http://id.who.int/icd/entity/2002014072

Part of: 11: Diseases of the circulatory system