One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin) or one 4.5 mL light green plasma separator tube (PST).
Handling:
Allow to clot, centrifuge and separate serum from plasma and pour into a plastic vial for transport. Refrigerate. Freeze if specimen cannot be assayed within 7 days.
Stability:
8 hours ambient, 7 days refrigerated, or 1 month frozen.
Standard Volume:
0.5 mL serum or plasma.
Minimum Volume:
250 µL serum or plasma.
Transport:
Refrigerated if received in laboratory within 7 days of collection, or frozen on dry ice.
Rejection Criteria:
Refrigerated specimen received in laboratory more than 7 days after collection.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST
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