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 (4) Serum or Plasma (6) (-) Urine (1) Test Area Drugs of Abuse (1) Test Category Antiarrhythmics (1) Antihypertensives (11) (-) Diuretics (1) Vasodilators (1) Test Sub-Category Other (1) Test Test Name 9318U Diuretics Screen, Urine