24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
Specimen Collection Details
One 7.5 mL serum separator tube (SST).
Allow to clot, centrifuge and separate serum from cells and immediately pour into a plastic vial.
48 hours ambient, 14 days refrigerated, or 1 year frozen.
1 mL serum.
200 µL serum.
Scleroderma (Scl-70) antibody is seen in 20-60% of patients with scleroderma and is considered diagnostic and specific for scleroderma if it is the only ENA antibody present. Scl-70 is also seen in approximately 25% of progressive systemic sclerosis (PSS).
Plasma and other body fluids; severely lipemic, contaminated, or hemolyzed specimen.