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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type (-) Blood (4) Fluid (1) Serum or Plasma (4) Tissue (1) (-) Urine (2) Test Area (-) Therapeutics (6) Test Category Antihypertensives (6) Test Sub-Category Alpha-2 Adrenergic Agonists (4) Alpha-2 Adrenergic Antagonists (2) Alpha Blockers (3) Beta Blockers (14) (-) Calcium Channel Blockers (6) Diuretics (7) Other (6) Thiazides (1) Your search has returned no tests.