ICD-11 classes
11 Diseases of the circulatory system
Heart valve diseases
Aortic valve disease
BB70 — Aortic valve stenosis
ICD-11 BB70 — Aortic valve stenosis
Aortic valve stenosis is abnormal narrowing of the aortic valve. This decreases the blood flow from heart to organs.
The diagnosis includes nothing.
It excludes 2 items.
- Congenital supravalvar aortic stenosis (LA8A.3)
- Congenital subaortic stenosis (LA8A.5)
Diagnosis with code BB70 contains 5 clarifying diagnoses:
- BB70.0 — Rheumatic aortic valve stenosis
- BB70.1 — Nonrheumatic aortic valve stenosis
It contains 1 clarifying diagnosis. - BE12.2 — Postprocedural aortic valve stenosis
It contains 1 clarifying diagnosis. - BB70.Y — Other specified aortic valve stenosis
- BB70.Z — Aortic valve stenosis, unspecified
The diagnosis is included in 1 another class.
- Postprocedural aortic valve stenosis (BE12.2)