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 446.0 Polyarteritis nodosa View the most recent version of ICD-9-CM 446.0 A form of necrotizing vasculitis involving small- and medium-sized arteries. The signs and symptoms result from infarction and scarring of the affected organ system. 446.0 is a specific code that can be used to specify a diagnosis 446.0 contains 14 index entries View the ICD-9-CM Volume 1 446.* hierarchy Alternate Terminology Disseminated necrotizing periarteritis Necrotizing angiitis Panarteritis (nodosa) Periarteritis (nodosa)  Index entries containing 446.0: Angiitis 447.6 necrotizing 446.0 Arteritis 447.6 necrosing or necrotizing 446.0 nodosa 446.0 Disease, diseased - see also Syndrome Kussmaul (-Meier) (polyarteritis nodosa) 446.0 Harkavy's syndrome 446.0 Kussmaul's disease (polyarteritis nodosa) 446.0 Necrosis, necrotic arteritis 446.0 Necrotizing angiitis 446.0 Panarteritis (nodosa) 446.0 brain or cerebral 437.4 Periangiitis 446.0 Periarteritis (disseminated) (infectious) (necrotizing) (nodosa) 446.0 Polyangiitis (essential) 446.0 Polyarteritis (nodosa) (renal) 446.0 Syndrome - see also Disease Harkavy's 446.0