Specimen Information

Refer to Coagulation Specimen Handling before collecting. Submit 2 × 0.5 mL frozen plasma aliquots for this test. 

• Draw blood in light blue top tube(s). Whole blood should remain at ambient temperature until processed. Submit frozen plasma if not received in the lab within 4 hours. Spin down, remove plasma, spin plasma again, and place citrate platelet-poor plasma in required number of plastic vials (glass vials cannot be accepted.)  Freeze specimen at less than or equal to minus 40° C, if possible. Send specimen frozen on dry ice.