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Laboratory Test Directory

Imipramine and Desipramine


Name Method Department Units
Imipramine and Desipramine Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Send Out ng/mL

Battery Members

Imipramine, Desipramine, and total

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume

Red tube, (no anticoagulant), No Gel

3 mL 1 mL

Purple tube (EDTA)

3 mL 1 mL

Room temperature - 5 day(s)
Refrigerated - 2 week(s)
Frozen - 6 month(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and refrigerate

Reasons for Rejection

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


Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.

CPT Code

  • 80335