Specimen Requirements

Container/Tube:  Green lithium heparin tube or gold top tube
Specimen:  2 mL (minimum volume:  0.5 mL) of serum or plasma

Collection Instructions:  If green lithium, spin down. If gold top or red top tube, spin down, remove serum, and place in separate plastic vial. If there is a delay in transport of >8 hours, send specimen refrigerated.

Note:  Please note time of ingestion for hepatotoxicity calculations.