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 (2) (-) Urine (2) Test Area Therapeutics (2) Test Category Antidepressants (1) Stimulants (1) Test Sub-Category Alkaloids (1) Antispasmodics (1) Barbiturates (1) Benzodiazepines (4) Beta Blockers (3) Biomarkers (1) (-) CNS Stimulants (1) Dopamine Antagonists (1) GABA Analogues (1) Macrominerals (2) Monoamine Oxidase Inhibitors (MAOI) (1) NSAIDs (3) Opiates/Opioids (4) Organochlorides (1) Other (26) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Stimulants (1) Succinimide (1) Sympathomimetic Agents (1) Synthetic Cathinone (1) Tetracyclics (1) Toxic Elements (2) Trace Elements (1) (-) Tricyclic (1) Test Test Name 3020U Methylphenidate and Metabolite, Urine 3220U Nortriptyline, Urine