Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Immune Complex Assay
Other Reference Test
Mon, Thu, Sat
2 mL blood collected in red top container. Serum separator tube (SST) also acceptable
Plain red; Serum separator tube (SST) also acceptable.
Frozen: 20 days
Non-frozen specimens. Specimens exposed to repeated freeze/thaw cycles. Grossly hemolyzed, lipemic, and icteric specimens.
2 mL serum
Allow complete clotting of red blood cells (up to 1 hour), then separate serum from cells within 30 minutes and freeze immediately. Transport 1 mL serum. (Min: 0.5 mL) If ordered in conjunction with a C1q Binding Assay, transfer TWO (2) 1 mL aliquots of serum to individual ARUP Standard Transport Tubes.
Circulating Immune Complex, C3 Fragments