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 (5) (-) Fluid (1) Serum or Plasma (5) Tissue (1) Urine (3) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Beta Blockers (1) Calcium Channel Blockers (1) Other (8) Selective Serotonin Reuptake Inhibitors (SSRI) (1) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Toxic Elements (1) Trace Elements (1) Test Test Name 4767FL Venlafaxine and Metabolite, Fluid