Serum or Plasma
Quest Diagnostics Chantilly
1-2 mL Blood
Red Top (No Additive)
Plasma collected in a sodium heparin (green-top), lithium heparin (green-top) or EDTA (lavender-top) tube is also acceptable. Collect as trough just prior to next dose.
Room Temp: 72 Hours; Refrigerated: 14 Days; Frozen: 30 Days
Serum/Plasma separator tube (SST/PST)
1 mL Serum or Plasma
0.2 mL Serum or Plasma
Centrifuge and immediately separate plasma or serum specimens from the cells into clean, plastic, screw-capped vial(s).