Prurigo Nodularis

Prurigo Nodularis is indexed under Dermatologic, Pruritic Conditions. Also known as PN.

US prevalence

~72 per 100,000; ~88,000 diagnosed Source: Kwatra et al. JAAD 2021. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

L28.1

Typical onset

50-60 years

Course

managed

Body systems

dermatologic

Sex differences

F:M ~1.5:1

Racial and ethnic differences

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.

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