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). NOTE: Patient should be fasting 9-12 hours before collection.
Handling:
Allow to clot, centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge heparin within 2 hours of collection, 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:
Tubes other than those specified.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST