Turner Syndrome

Turner Syndrome is indexed under Pediatric-Onset Chronic, Genetic/Chromosomal. Also known as TS, 45,X.

US prevalence

~1 in 2,000 female newborns worldwide; frequency is substantially higher among pregnancies that do not survive to term Source: NIH MedlinePlus Genetics — Turner syndrome. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

Q96

Typical onset

Present at birth; often diagnosed at puberty if mosaic

Course

lifelong

Body systems

endocrine, cardiovascular, reproductive

Sex differences

Exclusively female

Racial and ethnic differences

Affects all racial groups equally

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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