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) (21) Sample Type Blood (9) Serum or Plasma (10) Urine (2) Test Area (-) Therapeutics (21) Test Category Antihypertensives (19) Vasodilators (2) Test Sub-Category Alpha-2 Adrenergic Agonists (6) Alpha-2 Adrenergic Antagonists (3) (-) Alpha Blockers (6) Beta Blockers (28) Calcium Channel Blockers (12) (-) Diuretics (13) Other (13) (-) Thiazides (2) Vasodilators (1) Your search has returned no tests.