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) (6) Sample Type Blood (5) (-) Serum or Plasma (6) Urine (2) Test Area (-) Therapeutics (6) Test Category Antihypertensives (6) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Alpha-2 Adrenergic Antagonists (1) Alpha Blockers (3) Beta Blockers (9) Calcium Channel Blockers (4) (-) Diuretics (6) Other (9) Thiazides (1) Vasodilators (1) Your search has returned no tests.