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) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (1) Test Area Therapeutics (1) Test Category Acids (1) Analgesics (1) Antiarrhythmics (1) Antidepressants (3) (-) Antihypertensives (1) Depressants (2) Metals/Elements (1) Other (1) Sedative/Hypnotics (1) Test Sub-Category Diuretics (1) Test Test Name 2140U Furosemide, Urine