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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (2) Tissue (1) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Antidepressants (1) Antispasmodics (1) Test Sub-Category (-) Antispasmodics (1) Barbiturates (1) Benzodiazepines (4) Beta Blockers (3) CNS Stimulants (1) Dopamine Antagonists (1) GABA Analogues (1) Monoamine Oxidase Inhibitors (MAOI) (1) NSAIDs (3) Opiates/Opioids (4) Other (13) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Succinimide (1) Sympathomimetic Agents (1) Tetracyclics (1) (-) Tricyclic (1) Test Test Name 3220U Nortriptyline, Urine 3266U Oxybutynin and Metabolite, Urine