One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin), or one 4.5 mL plasma separator tube (PST). Tourniquet application should be minimal.
Handling:
Allow to clot, centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge green top tube (heparin) within 2 hours of collection amd separate plasma from cells into a plastic vial for transport. Refrigerate.
Standard Volume:
2 mL serum or plasma.
Minimum Volume:
0.5 mL serum or plasma.
Transport:
Refrigerated.
Rejection Criteria:
Specimen drawn in tube other than those specified.