BB70

ICD-11 MMS 2026-01

Aortic valve stenosis

Description

Aortic valve stenosis is abnormal narrowing of the aortic valve. This decreases the blood flow from heart to organs.

Excludes

  • 1A62.1 – Syphilitic aortic stenosis
  • BC01 – Aortic prosthetic valve stenosis
  • LA8A.3 – Congenital supravalvar aortic stenosis
  • LA8A.5 – Congenital subaortic stenosis

Exclusions from above levels

  • LA8A.2 – Congenital anomaly of aortic valve
  • http://id.who.int/icd/entity/1833285474 – Structural developmental anomalies of the circulatory system
  • http://id.who.int/icd/entity/871612151 – Acute rheumatic fever
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  • LA85.4Y – Atypical truncal valve
  • LA8A – Congenital anomaly of a ventriculo-arterial valve or adjacent regions
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 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

  • BB70.0 – Rheumatic aortic valve stenosis
  • BB70.1 – Nonrheumatic aortic valve stenosis
  • BB70.Y – Other specified aortic valve stenosis
  • BB70.Z – Aortic valve stenosis, unspecified

Foundation children elsewhere

  • BE12.2 – Postprocedural aortic valve stenosis

Sibling codes

  • BB71 – Aortic valve insufficiency
  • BB72 – Aortic valve stenosis with insufficiency
  • BB73 – Aortic valvar abscess
  • BB74 – Aortic valvar prolapse
  • BB7Y – Other specified aortic valve disease
  • BB7Z – Aortic valve disease, unspecified

Foundation entity

Aortic valve stenosis – http://id.who.int/icd/entity/956813047

Allowed postcoordination axes

Part of: 11: Diseases of the circulatory system