Serum or Plasma
Quest forwards to Inter Science Institute (TSO)
Other Reference Test
2-4 mL Blood
Red Top (No Additive)
Plasma collected in an EDTA lavender-top tube is also acceptable. Patient should be fasting 10-12 hours prior to collection of specimen. Antacids or other medications affecting stach acidity or gastrointestinal motility should be discontiunued, if possible, for at least 48 hours prior to collection.
Room Temp: Unacceptable; Refrigerated: 24 Hours; Frozen: 2 Weeks
2 mL Serum or Plasma
1 mL Serum or Plasma
Separate serum or plasma as soon as possible and freeze immediatley. Requires TSO form.
Requires TSO form.