tesen 52Testing of antibodies to Ro52 or SSA-52 (anti-Ro52 or anti-SSA-52) in patients at-risk for autoimmune connective tissue disease with or without lung involvement. 0.4The SSA-52 (Ro52) (ENA) Antibody, G is an important biomarker commonly tested to help diagnose autoimmune conditions, particularly Sjögren’s syndrome and systemic lupus