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 (6) (-) Fluid (1) Serum or Plasma (5) Tissue (1) Urine (5) Test Area Therapeutics (1) Test Category Antidepressants (1) Test Sub-Category Alcohols (3) Antiarrhythmics (1) Antimalarials (1) Antipyretics (1) Antivirals (1) Barbiturates (2) Benzodiazepines (8) Beta-2 Andrenergic Agonists (1) Beta Blockers (3) Calcium Channel Blockers (1) Cannabinoids (2) Cardiac Glycosides (1) CNS Stimulants (1) Cocaine (2) Macrominerals (3) Metals/Elements (1) Non-Benzodiazepines (1) NSAIDs (3) Opiates/Opioids (15) Other (55) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (6) (-) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Small Molecule (2) Toxic Elements (7) Trace Elements (5) Test Test Name 4767FL Venlafaxine and Metabolite, Fluid