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) (6) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (70) Sample Type Blood (1) Fluid (1) Serum or Plasma (2) Tissue (1) Urine (1) Test Area (-) Therapeutics (6) Test Category (-) Antihypertensives (6) Test Sub-Category Calcium Channel Blockers (5) Vasodilators (1) Your search has returned no tests.