Resistant Hypertension

Resistant Hypertension is indexed under Cardiovascular, Vascular. Also known as refractory HTN.

US prevalence

~12% of treated hypertensives (~12-15 million) Source: AHA; Carey et al.. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

I10

Typical onset

Typically older with comorbidities

Course

lifelong

Body systems

cardiovascular, renal

Sex differences

More common in Black women

Racial and ethnic differences

Significantly higher in Black Americans

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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