Marfan Syndrome

Marfan Syndrome is indexed under Rare / Orphan Chronic, Connective Tissue Disorders. Also known as MFS.

US prevalence

Estimated worldwide frequency ~1 in 5,000 people; no U.S.-specific national count identified Source: NIH MedlinePlus Genetics — Marfan syndrome. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

Q87.40

Typical onset

Lifelong; often diagnosed in childhood/adolescence

Course

lifelong

Body systems

cardiovascular, musculoskeletal, ophthalmologic

Sex differences

Equal (autosomal dominant)

Racial and ethnic differences

Pan-ethnic

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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