2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Diseases Of Arteries, Arterioles, And Capillaries 440-448 > Polyarteritis Nodosa And Allied Conditions 446.* > 2006 ICD-9-CM Diagnosis 446.4 Wegener's granulomatosis View the most recent version of ICD-9-CM 446.4 A multisystem disease chiefly affecting males, characterized by necrotizing granulomatous vasculitis involving the upper and lower respiratory tracts, glomerulonephritis, and variable degrees of systemic, small vessel vasculitis, which is generally considered to represent an aberrant hypersensitivity reaction to an unknown antigen. 446.4 is a specific code that can be used to specify a diagnosis 446.4 contains 11 index entries View the ICD-9-CM Volume 1 446.* hierarchy Alternate Terminology Necrotizing respiratory granulomatosis Wegener's syndrome  Index entries containing 446.4: Angiitis 447.6 allergic granulomatous 446.4 Wegener's (necrotizing respiratory granulomatosis) 446.4 Churg-Strauss syndrome 446.4 Disease, diseased - see also Syndrome Klinger's 446.4 Granuloma NEC 686.1 Wegener's (necrotizing respiratory granulomatosis) 446.4 Granulomatosis NEC 686.1 necrotizing, respiratory 446.4 Wegener's (necrotizing respiratory) 446.4 Klinger's disease 446.4 Syndrome - see also Disease Churg-Strauss 446.4 Wegener's (necrotizing respiratory granulomatosis) 446.4 Wegener's granulomatosis or syndrome 446.4