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) (1) Sample Type Blood (7) (-) Fluid (1) Serum or Plasma (6) Tissue (1) Urine (5) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Other (8) Selective Serotonin Reuptake Inhibitors (SSRI) (6) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Test Test Name 4767FL Venlafaxine and Metabolite, Fluid