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Anticytoplasmic Autoantibodies (ANCA)

Also known as: ANCA Antibodies; c-ANCA; p-ANCA; Serine Protease 3; MPO; PR3; Anticytoplasmic Autoantibodies; 3-ANCA; PR3-ANCA; MPO-ANCA
Formal name: Antineutrophil Cytoplasmic Antibodies; Myeloperoxidase Antibodies; Proteinase 3 Antibodies
Related tests: Autoantibodies; CBC; ESR; Urinalysis

Why should I do it?
To test for certain autoimmune disorders, such as Wegener's granulomatosis (WG), microscopic polyangitis (MPA), and a number of others

When should I do it?
When your doctor thinks that you have symptoms that may be due to a vascular autoimmune disorder; sometimes to monitor response to therapy

What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm

Test Preparation Needed?
None