4A44.92 IgA vasculitis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Vasculitis, with IgA1-dominant immune deposits, affecting small vessels (predominantly capillaries, venules, or arterioles). Often involves skin and gut, and frequently causes arthritis. Glomerulonephritis indistinguishable from IgA nephropathy may occur.

inclusions

• Henoch-Schönlein purpura

code elsewhere

• Respiratory disorders in IgA vasculitis  (CB05.4Y)
• Noninfectious enteritis or ulcer due to IgA vasculitis  (DA94.Y)

postcoordination

synonyms

• IgA vasculitis
• Allergic purpura
• Henoch-Schönlein purpura
• Anaphylactoid purpura
• HSP - (Henoch-Schönlein purpura)
• Schönlein–Henoch purpura
• Gastric ulcer due to IgA vasculitis
• Noninfectious colitis due to IgA vasculitis
• Chorea due to IgA vasculitis
• Chorea due to anaphylactoid purpura
• Chorea due to Henoch-Schönlein purpura

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