Specimen Required

Specimen Type: Platelet-poor plasma

Collection Container/Type: Light-blue top (3.2% sodium citrate)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: 

1. Completely fill tube.  Underfilled tubes are unacceptable 
2. Centrifuge, remove plasma, andcentrifuge plasma again.
3. Aliquot plasma into a plastic vial leaving 0.25 mL in the bottom of centrifuged vial.

Additional Information: Double-centrifuged specien is critical for accurate results as platelet contamination may cause spurious results.