IgA Nephropathy

IgA Nephropathy is indexed under Renal & Urologic, Glomerular Disease. Also known as Berger disease, IgAN.

US prevalence

~130,000 diagnosed; most common glomerulonephritis worldwide Source: NIH NIDDK; IgA Nephropathy Foundation. Cites federal and non-federal sources, and the record does not say which one gave this figure. Label: REPORTED.

ICD-10-CM codes

N02.8

Typical onset

Teens to 30s; second peak in 40s-50s

Course

progressive

Body systems

renal

Sex differences

M:F ~2:1

Racial and ethnic differences

More common in Asian and white populations

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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