Autoimmune antibodies, positive ANA

A 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 type of autoimmune disease. An antinuclear antibody test is a blood test that looks for certain kinds of antibodies in your body. It’s also called an ANA or FANA (fluorescent antinuclear antibody) test.