CB26

ICD-11 MMS 2026-01

Haemothorax

Description

Hemothorax is the presence of blood with or without air in the pleural space. The most common cause is chest trauma. Hemothorax should be considered to be present when the haematocrit of the pleural fluid is more than half that of the peripheral blood. A number of bleeding sites may be responsible for the hemothorax, including pulmonary laceration, intercostal vessel laceration, and rupture of pleural adhesions.

Index terms

  • Haemothorax
  • bloody pleural effusion
  • pleural haemorrhage
Show allHide
  • Haemopneumothorax
  • pneumohaemothorax
  • Nontuberculous haemothorax

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
Show allHide
  • 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

  • CB20 – Pleural plaque
  • CB21 – Pneumothorax
  • CB22 – Diseases of mediastinum, not elsewhere classified
  • CB23 – Disorders of diaphragm
  • CB24 – Chylous effusion
  • CB25 – Fibrothorax
  • CB27 – Pleural effusion
  • CB2Y – Other specified pleural, diaphragm or mediastinal disorders
  • CB2Z – Pleural, diaphragm or mediastinal disorders, unspecified

Foundation entity

Haemothorax – http://id.who.int/icd/entity/951218073

Allowed postcoordination axes

Part of: 12: Diseases of the respiratory system