BA52

ICD-11 MMS 2026-01

Coronary atherosclerosis

Description

Atherosclerosis is the build up inside the coronary arteries of cholesterol, fatty acids, calcium, fibrous connective tissue and cells (mostly macrophages), referred to as plaque. The effect of this is to reduce the blood flow through the coronary arteries to heart muscle and when marked results in heart damage often with symptoms such as chest pain.

Inclusions

  • coronary artery atheroma
  • coronary artery atherosclerosis
  • coronary artery ostial stenosis due to atherosclerosis
  • coronary artery sclerosis

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

Child codes

  • BA52.0 – Coronary atherosclerosis of native coronary artery
  • BA52.1 – Coronary atherosclerosis of autologous bypass graft
  • BA52.2 – Coronary atherosclerosis of non-autologous bypass graft
  • BA52.Z – Coronary atherosclerosis, unspecified site

Sibling codes

  • BA50 – Old myocardial infarction
  • BA51 – Ischaemic cardiomyopathy
  • BA5Y – Other specified chronic ischaemic heart disease
  • BA5Z – Chronic ischaemic heart disease, unspecified

Foundation entity

Coronary atherosclerosis – http://id.who.int/icd/entity/1280712786

Allowed postcoordination axes

Part of: 11: Diseases of the circulatory system