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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (30) Fluid (4) Serum or Plasma (34) (-) Tissue (3) Urine (13) Test Area Postmortem (3) (-) Therapeutics (3) Test Category Antihypertensives (3) Test Sub-Category Beta Blockers (2) Calcium Channel Blockers (1) Your search has returned no tests.