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) (13) Sample Type Blood (5) Serum or Plasma (6) Urine (2) Test Area Therapeutics (13) Test Category (-) Antihypertensives (13) 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) Vasodilators (1) Your search has returned no tests.