Trazodone, Serum or Plasma TRAZSP
| Method(s) | Liquid Chromatography-Tandem Mass Spectrometry |
|---|---|
| Specimen Required | |
| Collect | One 5 mL plain red top tube. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA. |
| Transport | Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma refrigerated (Min: 0.5 mL). |
| Remarks | Patient Prep: Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration. |
| Stability | (collection to initiation of testing): After separation from cells: Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: 4 months |
| Unacceptable Conditions | Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution). |
| Schedule | Wed |
| Billing Code | 5011992 |
| CPTCode | 80338 (Alt code: G0480) |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
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Therapeutic Range: 800-1600 ng/mL
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