ANA by IFA, Reflex to 9-biomarker profile, dsDNA, RNP, Sm, SS-A, SS-B, Scl-70, Chromatin, Jo-1, Centromere B by Multiplex Immunoassay Labcorp test 340897

This test detects antinuclear antibodies (ANA), which are proteins produced by the immune system that can mistakenly attack the body's own tissues. It helps investigate symptoms such as unexplained fatigue, joint pain, or skin rashes that may suggest an autoimmune disorder.