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) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (20) Sample Type Blood (9) Fluid (1) Serum or Plasma (10) Tissue (1) Urine (4) Test Area (-) Therapeutics (25) Test Category Antihypertensives (25) 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 (22) Thiazides (2) Vasodilators (1) Your search has returned no tests.