Specimen: 2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen.
Stability (Room): 2 hrs
Stability (Refrigerated): 72 hrs
Stability (Frozen): 2 weeks
Method: Enzyme Immunoassay
Comment: Also see EXTRACTABLE NUCLEAR ANTIGENS.
Price: Contact Medilab
Turnaround time (TAT): 10 – 15 days
Usage: Scl-70 antibodies are considered to be specific for Scleroderma and are found in nearly 60% of these patients. They are more common in patients with extensive cutaneous involvement and Interstitial pulmonary fibrosis and their presence is a poor prognostic indicator.
Disease: Autoimmune disorders
Home Collection: Available
Pre-test Information: No special preparation require