Also known as: Antibodies to Saline-extracted Antigens; anti-RNP; anti-ribonucleoprotein; anti-SSA; SSA (Ro); anti-Sjögren Syndrome A; anti-SSB; SSB (La); anti-Sjögren Syndrome B; anti-Sm; Smith antibody; Scl-70; anti-topoisomerase; Scleroderma antibodies; anti-Jo-1
Formal name: Extractable Nuclear Antigen Antibodies
Related tests: ANA; Autoantibodies; Anti-dsDNA
Why should I do it?
To help diagnose and distinguish between autoimmune disorders
When should I do it?
When your ANA (Antinuclear Antibody) test is positive; when you have symptoms that suggest an autoimmune disorder
What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm
Test Preparation Needed?