One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (sodium or lithium heparin), or one 4.5 mL plasma separator tube (PST).
Handling:
Centrifuge SST, refrigerate, and transport in original tube. Centrifuge green top tube, separate plasma from cells into a plastic vial. Refrigerate.
Stability:
6 days refrigerated.
Standard Volume:
2 mL serum or plasma.
Minimum Volume:
0.5 mL serum or plasma.
Transport:
Refrigerated.
Rejection Criteria:
Gross hemoloysis; tubes other than those specified.