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) (7) Sample Type Blood (6) (-) Serum or Plasma (7) Urine (2) Test Area Therapeutics (7) Test Category Antihypertensives (6) Vasodilators (1) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Alpha-2 Adrenergic Antagonists (1) Alpha Blockers (3) Beta Blockers (9) Calcium Channel Blockers (3) (-) Diuretics (6) Other (7) (-) Thiazides (1) Your search has returned no tests.