Medically reviewed by Anita C. Chandrasekaran, MD Key Takeaways An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases.The test shows a positive result if ...

January 12, 2011 — Up to 13% of healthy people test positive for antinuclear antibodies (ANA), which are associated with autoimmune disorders such as rheumatoid arthritis, Sjögren's syndrome, or ...

The lupus erythematosus (LE) cell-preparation assay was a perfectly good test. Less than 1% of healthy individuals had a positive result, and over 95% who demonstrated the LE cell phenomena had either ...

Please provide your email address to receive an email when new articles are posted on . Although testing for antinuclear antibodies is widely viewed as an effective screening tool for lupus and other ...

The presence of antinuclear antibodies (ANA) indicates the possibility of autoimmunity and the indirect immunofluorescence (IIF) assay on HEp-2 cells is the standard blood test (ANA-HEp-2) used to ...

A very small number of people who test negative for antinuclear antibody (ANA) in the blood, which is a sign of the most common type of lupus, still have the condition. Lupus is an autoimmune disease ...

Antinuclear antibodies (ANAs) are a diverse group of autoantibodies that recognize nuclear macromolecules and their complexes. ANAs represent key biomarkers in the evaluation of rheumatic diseases, ...

If your doctor thinks you might have lupus, they may ask you to take blood tests to check for antibodies in your blood. The most common antibody test is called the antinuclear antibody (ANA) test.