Immunoassay (IA)
VWF Cleaving Protease (vWF-CP); vWF Protease Activity (ADAMTS-13); VWF Cleaving Protease (vWF-CP) (ADAMTS-13); von Willebrand Factor Protease Activity (ADAMTS-13)
Plasma
Quest Diagnostics San Juan Capistrano
LAB08080
Sunday-Thursday
2-4 Days
(one) 1.8 mL or 2.7 mL Blood
Light Blue (Sodium Citrate)
Frozen-Only
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 Months
EDTA Plasma
1 mL Platelet-Poor Plasma
0.5 mL Platelet-Poor Plasma
Platelet Poor Plasma: Centrifuge light blue-top tube 15 minutes at approx. 1500 g 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/mcl). Freeze immediately and send frozen.
85397; 85335
05-09-18
SL