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) (5) Sample Type Blood (9) (-) Fluid (3) Serum or Plasma (9) (-) Tissue (2) Urine (5) Test Area Therapeutics (5) Test Category Antihypertensives (5) Test Sub-Category (-) Beta Blockers (5) Calcium Channel Blockers (2) Other (7) Your search has returned no tests.