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446.4 - Wegener's Granulomatosis


The ICD 9 Code for Wegener's granulomatosis is listed as 446.4.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 446.4
Long Description: Wegener's granulomatosis
Short Description: Wegener's granulomatosis
Chapter: Diseases Of The Circulatory System
Block: Diseases Of Arteries, Arterioles, And Capillaries (440-449)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: M31.30 - Wegener's granulomatosis without renal involvement (approximate)
ICD-9-CM Siblings (same level / similar specificity) of 446.4:
446.0 - Polyarteritis nodosa
446.1 - Acute febrile mucocutaneous lymph node syndrome [MCLS]
446.3 - Lethal midline granuloma
446.5 - Giant cell arteritis
446.6 - Thrombotic microangiopathy
446.7 - Takayasu's disease