- Abstract Number: 1096 • 2017 ACR/ARHP Annual Meeting - Clinical Significance of RNP Antibodies in Diagnosis of Systemic Autoimmune Rheumatic Disease When Detected By Multiplex ImmunoassayBackground/Purpose: A large multicenter healthcare system recently adopted multiplex immunoassay as an initial screen for antinuclear antibody (ANA) with confirmatory reflex testing by immunofluorescence antibody…
