Casandra
Casandra Test Code QD56162Version 1 (DRAFT)
Performing Lab
Trazodone, Serum
Clinical Use
Order TestUse
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).
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Trazodone
AnalyteTrazodone
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
red‑top tube (no gel)
Causes for Rejection
Gel barrier/serum separator tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 60 days |
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