Liquid chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Therapeutic Drug Monitoring
5 - 20 ng/ml
6 - 14 days
Collect specimen in a red top or green top tube; do not use SST or PST tube. Centrifuge, aliquot serum or plasma into a plastic vial and freeze within 6 hours of collection.
Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.