ANCA-Associated Vasculitis

ANCA-Associated Vasculitis is indexed under Autoimmune & Inflammatory, small vessel vasculitis.

US prevalence

No US figure has cleared source review yet. Sources under review: Migrated from legacy autoimmune dataset; awaiting TIER_1 source.

ICD-10-CM codes

M31.3 (GPA), M31.7 (MPA), M30.1 (EGPA)

Typical onset

older adult / 50-70

Course

persistent

Body systems

kidneys, lungs, ENT, skin, nerves, eyes

Sex differences

slight male predominance

Racial and ethnic differences

GPA more common in Caucasians; MPA more common in Asian 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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