Liquid Chromatography/Tandem Mass Spectrometry
Serum or Plasma
Other Reference Test
1-2 mL Blood
Red Top (No Additive)
Plasma collected in a sodium heparin (green-top), lithium heparin (green-top) or an EDTA (lavender-top) tube is also acceptable.
Room Temp: Unacceptable; Refrigerated: 1 Week; Frozen: 2 Weeks (Preferred)
Specimens exposed to more than one freeze/thaw cycle
1 mL Serum or Plasma
0.2 mL Serum or Plasma
Complete an ARUP requisition and submit with specimen frozen. Call Apollo Courier Service for pick-up Monday-Friday.