Huntington Disease

Huntington Disease is indexed under Neurological & Neurodegenerative, Movement Disorders. Also known as HD, Huntington's chorea.

US prevalence
Estimated frequency 3-7 per 100,000 among people of European ancestry; frequency is lower in several other ancestry groups, so this should not be converted into a single U.S. count Source: NIH MedlinePlus Genetics — Huntington's disease. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
ICD-10-CM codes
G10
Typical onset
Typical onset 30-50 years; juvenile form <20 years
Course
progressive
Body systems
neurological, psychiatric
Sex differences
Equal (autosomal dominant)
Racial and ethnic differences
More common in populations of European descent

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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