Aortic Stenosis (Chronic/Degenerative)

Aortic Stenosis (Chronic/Degenerative) is indexed under Cardiovascular, Valvular Heart Disease. Also known as AS, calcific aortic valve disease.

US prevalence

~2.5 million moderate-severe (age ≥65) Source: AHA 2023; Lancet 2020. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

I35.0

Typical onset

Typically age >65; bicuspid valve cases age 40-60

Course

progressive

Body systems

cardiovascular

Sex differences

M > F (~1.5:1 in severe AS)

Racial and ethnic differences

Less studied in non-White populations; likely underdiagnosed in Black/Hispanic adults

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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