Antinuclear antibody (ANA) testing is useful as an initial screen for autoimmune diseases such as Sjögren syndrome, systemic lupus erythematosus, and scleroderma. ANA test results provide patterns that may be suggestive of a specific autoimmune disease or diseases.
See ARUP Lab Tests below.
ARUP Lab Tests
Semi-Quantitative Indirect Fluorescent Antibody