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) (2) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Therapeutics (2) Test Category Antacids (1) Antihypertensives (1) Test Sub-Category Alkaloids (1) (-) Alpha-2 Adrenergic Antagonists (1) Alpha/Beta Adrenergic Agonists (1) Antibiotics (1) Anticholinergics (1) (-) Antihistamines (1) Antimalarials (1) Benzodiazepines (1) Beta Blockers (1) Biomarkers (1) Calcium Channel Blockers (1) Cyanide (1) Non-Benzodiazepines (1) Opiates/Opioids (4) Other (34) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Sympathomimetic Agents (1) Synthetic Cannabinoids (1) Toxic Elements (11) Trace Elements (1) Tricyclic (2) Vasoconstrictors (1) Test Test Name 4085U Ranitidine, Urine 4830U Yohimbine, Urine