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Labcorp Oklahoma, Inc.
Test Directory


Desipramine, Serum or Plasma

Order Name Desipramine
Test Number: 5613559
Revision Date 12/12/2022
Test Name Methodology LOINC Code
Desipramine, Serum or Plasma
Quantitative Liquid Chromatography/Tandem Mass Spectrometry 3531-1 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.3 mL) Serum Clot Activator (Red Top, No-Gel) Room Temperature
Alternate 1 1 mL (0.3 mL) Plasma EDTA (Lavender Top) Room Temperature
Instructions Specimen Type: Red-top tube, lavender-top (EDTA) tube OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant.
Specimen Storage: Room Temperature
Specimen Collection: Transfer separated serum or plasma to a plastic tranport tube. For therapeutic monitoring, collect specimen immediately prior to next dose.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
Expected TAT 2 - 4 days Sunday on 3rd shift; reported within one working day.  
Performing Labcorp Test Code 007765 
Notes Labcorp Test Code: 007765
CPT Code(s) 80335 (Alt code: G0480)
Lab Section Reference Lab