Hidradenitis Suppurativa
Hidradenitis Suppurativa is indexed under Dermatologic, Inflammatory Skin Disease. Also known as HS, acne inversa.
- US prevalence
- At least 1 in 100 people when milder cases are counted Source: MedlinePlus Genetics (NLM), Hidradenitis suppurativa, frequency section last updated October 27, 2021. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
- ICD-10-CM codes
- L73.2
- Typical onset
- Post-puberty; peak 20s-30s
- Course
- progressive
- Body systems
- dermatologic
- Sex differences
- F:M ~3:1
- Racial and ethnic differences
- 2-3x more common 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.
Browse all indexed conditions · Source registry · Methodology · Known limitations