Fixed Rate Time Nephelometry
Quest Diagnostics San Juan Capistrano
Tuesday, Thursday and Saturday
1.8-2.7 mL Blood
Light Blue (Sodium Citrate)
Patient should abstain from anabolic steroids, Gemfibrozil, Warfarin (Coumadin), heparin therapy, asparaginase, estrogens, gestodene and oral contraceptives optimally for 3 days prior to specimen collection. Overnight fasting is preferred.
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 21 Days
Received thawed; Received room temp; Received refrigerated
1 mL Platelet-Poor Plasma
0.5 mL Platelet-Poor Plasma
Centrifuge light blue-top tube for 15 minutes at approximately 1500g within 60 minutes of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet poor plasma into a new plastic vial. Plasma must be free of platelets (<10,000/?L). Freeze immediately and send frozen.