Webif your ana test is positive, your doctor might test you for anas that are specific to certain diseases: Weba positive test for ana may help determine the specific type of autoimmune disease that is affecting a patient. A negative test for ana can assist health care. Weban ana test is a blood exam to look for antibodies, produced by your immune system, that attack healthy cell nuclei (antinuclear) rather than foreign bacteria or viruses. It can also be called a functional antinuclear antibody (fana) test. Weba positive result on an ana test means that antinuclear antibodies were found in your blood. You may get a positive result if: You have sle (lupus). You have a different. Updated on october 14, 2022. Medically reviewed by scott zashin, md. How the test is performed. Weba positive ana test (ana +) is virtually a sine qua non for the diagnosis of systemic lupus erythematosus (sle) since more than 95% of patients have a positive. Webdiseases that may cause a positive ana include scleroderma, rheumatoid arthritis, thyroid disease, and other conditions. If your doctor has ordered an antinuclear antibody (ana). Weba positive ana does not need to be repeated! A positive ana only indicates antibodies are present. It does not mean a patient has an autoimmune disease. Weba positive ana reading alone does not indicate an autoimmune disease. The ana titer is a measure of the amount of ana in the blood; The higher the titer, the.
