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) (3) Sample Type (-) Blood (2) Fluid (1) Serum or Plasma (2) Tissue (1) (-) Urine (1) Test Area (-) Therapeutics (3) Test Category Antihypertensives (3) Test Sub-Category Alkaloids (2) Alpha-2 Adrenergic Antagonists (2) Alpha/Beta Adrenergic Agonists (2) Alpha Blockers (1) Antibiotics (2) Anticholinergics (2) Anticoagulants (1) Antifungals (1) Antihistamines (2) Antimalarials (2) Antiparasitics (1) Barbiturates (2) Benzodiazepines (3) (-) Beta Blockers (3) Biomarkers (1) Calcium Channel Blockers (2) Diuretics (1) Dopamine Antagonists (1) Non-Barbiturate Sedative Hypnotics (1) Non-Benzodiazepines (2) NSAIDs (1) Opiates/Opioids (7) Other (62) Phenothiazines (2) Selective Serotonin Reuptake Inhibitors (SSRI) (3) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Sympathomimetic Agents (2) Tricyclic (5) Vasoconstrictors (2) Test Test Name 4000B Propranolol, Blood 4000U Propranolol, Urine 4482B Timolol, Blood