Gas Chromatography/Flame Ionization Detection (GC-FID)
Therapeutic drug monitoring.
5 - 20 mcg/mL. Critical Value: 35 mcg/mL.
5 - 7 days
Collect blood in red or green top tube; do not use SST tube. Centrifuge, aliquot serum or plasma into a plastic vial and refrigerate or freeze.
Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.