Specimen must arrive within 1 hour of draw.
Container/Tube: Serum gel tube
Specimen Volume: 5 mL of serum
Transport Temperature: Ambient
Collection Instructions: Allow specimen to clot for 30 minutes. Spin specimen in centrifuge. If there is a delay in transport of ≥1 hour, send specimen refrigerated. If there is a delay in transport of ≥24 hours, remove serum from gel tube(s) and send frozen in plastic vial.
Note: Trough level must be drawn at specifically timed intervals which requires close coordination of Nursing, Phlebotomy, and Pharmacy staff. Dosing is calculated according to time of draw and concentration of drug in circulation. Trough level should be drawn 30 minutes prior to next dose.
Enzyme-Multiplied Immunoassay Technique (EMIT®)
<2.0 µg/mL
Critical value (automatic call-back): >2.0 µg/mL
Monday through Sunday
Available STAT
80200