Serum Separator Tube, Plain Red Top Tube, Transfer Tube- Serum
5 mL Serum
5 mL Serum from a Red-top tube or SST (gel-barrier tube) Serum should be separated from cells within 2 hours of venipuncture. Send serum in a plastic transport tube. Since this test requires 5 mL serum it is recommended to draw additional tubes if any other serum tests are requested.