One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling:
Allow to clot, centrifuge and separate serum from cells immediately and pour into plastic vial. Refrigerate. Freeze at -20 degrees Cif specimen cannot be assayed within 72 hours. Allow no more than one freeze/thaw cycle.
Standard Volume:
0.5 mL serum.
Minimum Volume:
200 uL serum.
Transport:
Refrigerated; or if frozen, on dry ice.
Rejection Criteria:
Plasma; gross lipemia; gross hemolysis; bacterial contamination; specimen that has been frozen and thawed more than once; heat-inactivated specimens.
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