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 (1) Test Area Therapeutics (2) Test Category Antidepressants (1) Antihypertensives (1) Test Sub-Category Alkaloids (1) Alpha-1 Adrenergic Agonists (1) Alpha Blockers (1) Antibiotics (1) Antifungals (1) Antispasmodics (1) Antivirals (1) Barbiturates (6) Benzodiazepines (5) Beta Blockers (4) (-) Calcium Channel Blockers (1) CNS Stimulants (1) Diuretics (1) Dopamine Antagonists (1) GABA Analogues (1) Insecticides (1) Macrominerals (2) Monoamine Oxidase Inhibitors (MAOI) (1) NSAIDs (6) Opiates/Opioids (10) Organochlorides (1) Other (50) Phenothiazines (1) Proton-Pump Inhibitors (1) Selective Serotonin Reuptake Inhibitors (SSRI) (2) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Stimulants (1) Succinimide (1) Sympathomimetic Agents (1) Synthetic Cathinone (1) Tetracyclics (1) Toxic Elements (5) Trace Elements (1) (-) Tricyclic (1) Test Test Name 3158SP Nifedipine, Serum/Plasma 3220SP Nortriptyline, Serum/Plasma