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) (2) Sample Type Blood (2) (-) Serum or Plasma (2) Test Area Therapeutics (2) Test Category (-) Antihypertensives (2) Test Sub-Category (-) Alpha Blockers (1) Beta Blockers (1) (-) Diuretics (1) Test Test Name 4329SP Terazosin, Serum/Plasma 4540SP Triamterene, Serum/Plasma