BD50.0

ICD-11 MMS 2026-01

Thoracic aortic dissection, ascending aorta dissection and propagation beyond arch

Description

This occurs when a tear in the inner wall of the aorta causes blood to flow between the layers of the wall of the aorta, forcing the layers apart: ascending aorta dissection and propagation beyond arch.

Exclusions from above levels

  • http://id.who.int/icd/entity/1059873720 – Diseases of coronary artery
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 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

Child codes

  • BD50.00 – Thoracic aortic dissection, ascending aorta dissection and propagation beyond arch with perforation
  • BD50.01 – Thoracic aortic dissection, ascending aorta dissection and propagation beyond arch with rupture
  • BD50.0Z – Thoracic aortic dissection, ascending aorta dissection and propagation beyond arch, without mention of perforation or rupture

Sibling codes

  • BD50.1 – Ascending aorta dissection not beyond arch
  • BD50.2 – Descending aorta dissection and distal propagation
  • BD50.3 – Thoracic aortic aneurysm
  • BD50.4 – Abdominal aortic aneurysm
  • BD50.5 – Thoracoabdominal aortic aneurysm
  • BD50.Z – Aortic aneurysm or dissection, unspecified

Foundation entity

Thoracic aortic dissection, ascending aorta dissection and propagation beyond arch – http://id.who.int/icd/entity/1938903985

Allowed postcoordination axes

Part of: BD50: Aortic aneurysm or dissection › 11: Diseases of the circulatory system