1 Red Top/2.0 mL serum. Do not collect in serum separator tube. After 30 minutes of clotting, promptly centrifuge, separate and refrigerate serum.
Room Temperature 48 hours, Refrigerated 14 days, Frozen 14 days
2-3 days Performed Mon, Wed, Fri
For therapeutic drug monitoring of antidepressant therapy. Peak plasma levels occur approximately 1 hour after dosing when Trazodone is taken on an empty stomach or 2 hours after dosing when taken with food. Elimination of Trazodone is biphasic, consisting of an initial phase (half-life 3-6 hours) followed by a slower phase (half-life 5-9 hours).