Vasculitis (Systemic)

Vasculitis (Systemic) is indexed under Musculoskeletal & Connective Tissue, Vasculitis. Also known as GPA, MPA, EGPA, Wegener's, polyarteritis nodosa, giant cell arteritis, Takayasu arteritis.

US prevalence

GCA: ~230 per 100,000 >50; GPA: ~25-30 per 100,000; varies by type Source: VF; ACR; EUVAS. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.

ICD-10-CM codes

M31.3, M31.4, M30.0, M31.6, M31.7

Typical onset

GCA: >50; Takayasu: <40; ANCA-vasculitis: 50-70; PAN: 40-60

Course

managed

Body systems

musculoskeletal, renal, pulmonary, neurological

Sex differences

GCA F:M ~3:1; Takayasu F:M ~9:1; GPA M:F ~1.5:1

Racial and ethnic differences

GCA: predominantly white/Northern European; Takayasu: 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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