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 (2) Serum or Plasma (2) Urine (1) Test Area Therapeutics (5) Test Category (-) Antihypertensives (3) (-) Vasodilators (2) Test Sub-Category Alpha Blockers (2) (-) Calcium Channel Blockers (3) (-) Thiazides (2) Your search has returned no tests.