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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (15) Sample Type Blood (30) (-) Fluid (4) Serum or Plasma (34) Tissue (3) (-) Urine (13) Test Area Drugs of Abuse (5) Impairment (1) Postmortem (6) (-) Therapeutics (17) Test Category Antiarrhythmics (1) Antihypertensives (15) Vasodilators (1) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Alpha-2 Adrenergic Antagonists (1) Beta Blockers (8) Calcium Channel Blockers (3) Diuretics (2) Other (1) Your search has returned no tests.