Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (2) Fluid (1) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Therapeutics (2) Test Category (-) Antidepressants (2) Test Sub-Category Other (2) Selective Serotonin Reuptake Inhibitors (SSRI) (2) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Tricyclic (3) Test Test Name 4666B Duloxetine, Blood 4767B Venlafaxine and Metabolite, Blood