At a Glance
Why Get Tested?
To test for certain autoimmune disorders, specifically small vessel vasculitities such as Granulomatosis with polyangitis (GPA formerly known as Wegners Granulomatosis (WG), microscopic polyangitis (MPA), Churg-Strauss Syndrome and a few others
When to Get Tested?
When your doctor thinks that you have symptoms, such as a vasculitic rash or respiratory/renal symptoms that may be due to a vascular autoimmune disorder; In patients who are known to have antineutrophil cytoplasmic antibodies (ANCA) associated small vessel vasculitis, ANCA measurement is sometimes used to monitor response to therapy
A blood sample taken from a vein in your arm
Test Preparation Needed?