Specimen Requirements

Container/Tube:  Gold or green tube

Specimen:  2 mL (minimum volume:  0.5 mL) of serum or plasma

Transport Temperature:  Ambient

Collection Instructions:  Draw blood <6 hours after last dose. Allow specimen to clot for approximately 10 minutes, spin down, remove serum, and place in separate plastic vial. If there is a delay in transport of >8 hours, send specimen refrigerated in ≤7 days.