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 (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Antihypertensives (2) Test Sub-Category Antifungals (1) Benzodiazepines (5) Carboxylic Acids (2) (-) Diuretics (2) H2 Antagonists (1) Opiates/Opioids (3) Other (9) Selective Serotonin Reuptake Inhibitors (SSRI) (6) Trace Elements (2) Test Test Name 2140B Furosemide, Blood 2140U Furosemide, Urine