Gas Chromatography (GC)
Serum or Plasma
Other Reference Test
3-6 mL Blood
Red Top (No Additive)
Plasma collected in an EDTA (lavender-top) tube is also acceptable.
Room Temp: Unacceptable; Refrigerated: 4 Days; Frozen: 21 Months (Preferred)
Received room temp; Received refrigerated; Serum separator tube (SST)
3 mL Serum or Plasma
1.2 mL Serum or Plasma
Complete a NMS Labs requisition and submit with specimen frozen.