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 ...

An ANA report has three parts: (1) a positive or negative result; (2) if positive, what the titer is; and (3) the pattern of fluorescence. ANA patterns. Titers and patterns can vary between laboratory ...