Webthe results of the antinuclear antibody (ana) test, together with a health care provider's careful consideration of a patient's symptoms, physical findings, and. 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. Webif the ana ifa screen is positive, testing for antibody titer and pattern can help evaluate the presence and type of autoantibody disease. Ana titers are determined by diluting. 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). Webpublished on june 4, 2024. Positive antinuclear antibodies (ana) tests are found in about 15% of healthy people and have many different causes.
