One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling:
Allow to clot, centrifuge and separate serum within 2 hours. Refrigerate. Specimen should not remain ambient for more than 8 hours. Freeze if specimen cannot be tested within 48 hours. Allow no more than one freeze/thaw cycle.
Standard Volume:
0.5 mL serum.
Minimum Volume:
150 µL serum.
Transport:
Refrigerated, or frozen on dry ice.
Rejection Criteria:
Plasma; gross hemolysis; gross lipemia; specimen frozen and thawed more than once.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST
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