An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases. The test shows a positive result if fluorescent cells are observed under a microscope. A positive ...

Blood tests can help diagnose and monitor systemic lupus erythematosus (SLE). These include tests for antinuclear antibodies (ANAs), anti-double-stranded DNA (anti-dsDNA) antibodies, and more. While ...