Collection

Patient Preparation:

• Standard blood collection procedure.

Specimen Type:

• Light Blue (Citrate)
• Promptly after collection, spin down and place 1 mL of platelet-poor plasma in plastic vial. (Glass vial is not acceptable.) Freeze imediately at ≤ -40° C, if possible
  • Platelet poor plasma: 

    • Centrifuge, transfer top 3/4 of plasma into a plastic vial, and centrifuge plasma again.

    •  Aliquot top 3/4 plasma into a separate plastic vial, using this for testing. Discard the vial with the remaining plasma.

    • Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results.

Minimum Volume:

• 0.5mL

Reasons for Rejection:

• Hemolyzed or lipemic specimens, or does not meet collection, storage, or transport requirements.