Carbamazepine
Preferred Collection Container:
Light Green (Lithium Heparin Plasma Separator Tube)
SST (Serum Separator)
Also Acceptable Collection Container:
Green No Gel (Lithium Heparin)
Red (No Additive)
Plasma from Lavender tubes is acceptable but will not route in the Laboratory Information System (Sunquest).
Collection Information:
Collect blood in a Light Green (Lithium Heparin Plasma Separator Tube) or SST (Serum Separator). Green No Gel (Lithium Heparin), Red (No Additive) and Lavender (EDTA) also acceptable.
Transport Information:
Centrifuge and aliquot 1.0 mL of serum or plasma into a plastic transport vial. Send refrigerated.
Minimum Sample Volume: 
0.5 mL of serum or plasma (approximately 1.0 mL of whole blood based upon a normal patient hematocrit)
Remarks:
Peak Levels should be drawn 12 hours after a dose; Trough Levels should be drawn just before the next dose is given.
Stability
Refrigerated Stability:
Frozen Stability:
Ambient Stability: