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) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (35) Sample Type Blood (30) (-) Fluid (4) (-) Serum or Plasma (34) Tissue (3) Urine (13) Test Area Drugs of Abuse (3) Impairment (1) Postmortem (5) (-) Therapeutics (38) Test Category Antiarrhythmics (1) Antihypertensives (29) Diuretics (6) Vasodilators (2) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Alpha-2 Adrenergic Antagonists (1) Alpha Blockers (3) Beta Blockers (12) Calcium Channel Blockers (5) Diuretics (6) Other (7) Thiazides (1) Vasodilators (1) Your search has returned no tests.