Anti SSB (LA) IgG (ELISA)
SSB/La and SSA/Ro are classified as extractable nuclear antigens, wherein the later appears in 90 percent in patients with Sjogren’ssyndromee, and 40 to 60 % in patients with Lupus Erythematosus and Rheumatoid arthritis. This test is vital in evaluating patients who have positive ANA and show symptoms of connective tissue disorder.
How to prepare for the test?
No special preparation is needed for this test.