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) (7) Sample Type Blood (2) Fluid (1) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Therapeutics (7) Test Category (-) Antihypertensives (7) Decongestants (3) 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.