AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 4; New/Revised ICD-10-CM Codes

Antineutrophilic Cytoplasmic Antibody [ANCA] Vasculitis

Code I77.82, Antineutrophilic cytoplasmic antibody [ANCA] vasculitis, has been created to capture the group of autoimmune diseases that are characterized by inflammation of blood vessels, affecting multiple body systems. ANCA are autoantibodies that target and overly activate neutrophils, a specific type of white blood cell that serves as the immune system’s first line of defense. There are three main types of ANCA vasculitis: granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA) and eosinophilic granulomatosis with polyangiitis (EGPA). Microscopic polyangiitis is the most common type of ANCA. These systemic conditions are linked together under the umbrella term ANCA...

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