Specimen: 2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen. Stability (Room): 8 hrs Stability (Refrigerated): 1 week Stability (Frozen): 3 months Method: Immunoturbidimetry Comment: Also see RHEUMATOID FACTOR, IgA. Price: Contact Medilab Turnaround time (TAT): 2 hrs Usage: Approximately 85% of patients with Rheumatoid arthritis have detectable RA. It may...