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 (5) Serum or Plasma (6) (-) Urine (2) Test Area Therapeutics (2) Test Category (-) Antihypertensives (2) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Alpha-2 Adrenergic Antagonists (1) Beta Blockers (6) Calcium Channel Blockers (3) (-) Diuretics (2) Test Test Name 2140U Furosemide, Urine 2330U Hydrochlorothiazide, Urine