Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (5) Serum or Plasma (5) (-) Urine (1) Test Area Therapeutics (1) Test Category Antihypertensives (1) Test Sub-Category Benzodiazepines (3) (-) Diuretics (1) Opiates/Opioids (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Test Test Name 2140U Furosemide, Urine