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) (7) Sample Type Blood (3) Fluid (2) Serum or Plasma (3) Tissue (2) Urine (2) Test Area Therapeutics (12) Test Category (-) Antihypertensives (12) Test Sub-Category Alpha-2 Adrenergic Antagonists (3) Alpha Blockers (2) (-) Beta Blockers (7) (-) Calcium Channel Blockers (5) Diuretics (2) Your search has returned no tests.