1 Red Top/1.0 mL serum. Do not collect in serum separator tube. After 30 minutes of clotting, centrifuge, separate and refrigerate serum.
Room Temp 48 hours; Refrigerated 14 days; Frozen 14 days
1-3 days Performed Mon-Fri
Therapeutic drug monitoring of antidepressant drug. Therapeutic levels are measured at trough concentration. Elimination half-life is 12-54 hours.