World Health Organization · 2026-01 · English

4A44 Vasculitis

Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.

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More specific codes

4A44.0Rhizomelic pseudopolyarthritis 4A44.1Aortic arch syndrome 4A44.2Giant cell arteritis 4A44.3Single organ vasculitis 4A44.4Polyarteritis nodosa 4A44.5Mucocutaneous lymph node syndrome 4A44.6Sneddon syndrome 4A44.7Primary angiitis of the central nervous system 4A44.8Thromboangiitis obliterans 4A44.9Immune complex small vessel vasculitis 4A44.AAntineutrophil cytoplasmic antibody-associated vasculitis 4A44.BLeukocytoclastic vasculitis 4A44.YOther specified vasculitis 4A44.ZVasculitis, unspecified

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