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) (6) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (70) Sample Type Blood (27) Fluid (4) Serum or Plasma (31) Tissue (3) Urine (11) Test Area Drugs of Abuse (1) (-) Therapeutics (76) Test Category Antiarrhythmics (3) (-) Antihypertensives (66) (-) Diuretics (10) Vasodilators (5) Test Sub-Category Alpha-2 Adrenergic Agonists (6) Alpha-2 Adrenergic Antagonists (3) Alpha Blockers (6) Beta Blockers (25) Calcium Channel Blockers (12) Diuretics (13) Other (10) Vasodilators (1) Your search has returned no tests.