Serum or Plasma
Quest forwards to Interscience 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 not be on Aspirin, Indomethacin or Anti-Inflammatory medications, if possible, for at least 48 hours prior to collection.
Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 Months
2 mL Serum or Plasma
1 mL Serum or Plasma
Separate serum or plasma as soon as possible and freeze immediately. Requires TSO form.
Requires TSO form.