Optimize drug therapy and monitor patient adherence.
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2EDTA ).
Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).
After separation from cells: Ambient: 12 hours; Refrigerated: 1 week; Frozen: 1 week
Effective February 18, 2014
|Therapeutic Range:||0.5-2.5 µg/mL|
|Toxic:||Greater than 4 µg/mL|
Adverse effects may include sedation, fatigue, headache, blurred vision and nausea.
Laboratory Developed Test (LDT)
80338 (Alt code: G0480)
|Component Test Code*||Component Chart Name||LOINC|
- desyrel blood level
- trazodone blood level