Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (4) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Alkaloids (1) Benzodiazepines (3) Biomarkers (1) CNS Stimulants (1) Opiates/Opioids (2) Other (9) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Sympathomimetic Agents (2) Synthetic Cannabinoids (1) Test Test Name 9447U Venlafaxine and Metabolite Screen, Urine