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Vasculitis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Vasculitides represent a heterogenous group of diseases of multifactorial aetiology characterised by inflammatory lesions of vessels. These lesions consist of fibrinoid necrosis (necrotizing arteritis), giant cell infiltration without necrosis, immunoglobulins deposit or leukocytoclastic infiltration. The spectrum and severity of the systemic vaculitides is broad, from life or sight threatening fulminant disease to relatively minor skin disease.

code elsewhere

• Behçet disease  (4A62)
• Thrombotic microangiopathy, not elsewhere classified  (3B65)

sections/codes in this section (4A44-4A44)

• Rhizomelic pseudopolyarthritis  (4A44.0)
• Aortic arch syndrome  (4A44.1)
• Giant cell arteritis  (4A44.2)
• Single organ vasculitis  (4A44.3)
• Polyarteritis nodosa  (4A44.4)
• Mucocutaneous lymph node syndrome  (4A44.5)
• Sneddon syndrome  (4A44.6)
• Primary angiitis of the central nervous system  (4A44.7)
• Thromboangiitis obliterans  (4A44.8)
• Immune complex small vessel vasculitis  (4A44.9)
• Antineutrophil cytoplasmic antibody-associated vasculitis  (4A44.A)
• Leukocytoclastic vasculitis  (4A44.B)
• Other specified vasculitis  (4A44.Y)
• Vasculitis, unspecified  (4A44.Z)

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