PREFERRED SPECIMEN(S): 3mL PLASMA COLLECTED IN PPT (PEARL TOP) OR EDTA (LAVENDER TOP) TUBES.

IMMEDIATELY CENTRIFUGE BLOOD (WITHIN 2 HOURS OF COLLECTIION) FOR 10-15 MINUTES AND FREEZE.

FOR EDTA SAMPLES: AFTER CENTRIFUGATION, IMMEDIATELY REMOVE PLASMA FROM CELLS AND TRANSFER TO A SCREW-CAP VIAL AND FREEZE PLASMA. INDICATE “PLASMA/EDTA” ON TRANSPORT VIAL. C

THIS TEST REQUIRES PRIOR AUTHORIZATION.