What do the results mean?If your results were negative, it means your symptoms are probably not due to autoimmune vasculitis.If your results were positive, it may mean you have autoimmune vasculitis. It can also show if cANCAs or pANCAs were found. This can help determine which type of vasculitis you have.No matter which type of antibodies were found, you may need an additional test, known as biopsy, to confirm the diagnosis. A biopsy is a procedure that removes a small sample of tissue or cells for testing. Your health care provider may also order more tests to measure the amount of ANCA in your blood.If you are currently being treated for autoimmune vasculitis, your results may show whether your treatment is working.If you have questions about your results, talk to your health care provider.Learn more about laboratory tests, reference ranges, and understanding results.
