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) (2) Sample Type Blood (2) Fluid (1) (-) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Therapeutics (2) Test Category (-) Antihypertensives (2) Test Sub-Category Alpha-2 Adrenergic Antagonists (1) Alpha Blockers (1) (-) Beta Blockers (2) Calcium Channel Blockers (1) Diuretics (1) Your search has returned no tests.