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Laboratory Test Directory

Trazodone

Components

Name Method Department Units
Trazodone Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Send Out ug/mL

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Purple tube (EDTA)

3 mL 1 mL
Stability

Room temperature - 12 hour(s)
Refrigerated - 1 week(s)
Frozen - 1 week(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Collected in tube with gel separator
  • Not centrifuged within time frame
  • Wrong collection tube

Comments

Collect the specimen for Pre-dose (trough) at a steady state concentration.

CPT Code

  • 80338