An antinuclear antibody test can help your doctor diagnose an autoimmune disease such as lupus. Find out how this blood test is done and what your results might mean.

Joint pain alongside a positive antinuclear antibody (ANA) test may suggest the presence of an underlying condition causing pain and discomfort.

While the antinuclear antibody is not a specific test for lupus, it is sensitive and does detect the antibodies that are present in 97 percent of people with the disease.

Stress isn’t usually the direct cause of a positive ANA test, but it can influence the immune system, potentially exacerbating symptoms in those with autoimmune disorders. If you have symptoms ...

Medically reviewed by Anita C. Chandrasekaran, MD An ANA blood test (antinuclear antibody test) is usually performed on a blood sample as part of the diagnostic process for certain autoimmune ...

The test may be helpful for people who have a positive antinuclear antibodies (ANA) test, or anyone concerned they may have lupus or a similar autoimmune condition. Generally speaking, rheumatologists ...