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) (10) Sample Type Blood (4) Serum or Plasma (6) Test Area Drugs of Abuse (1) (-) Therapeutics (10) Test Category (-) Diuretics (10) Vasodilators (3) Test Sub-Category (-) Other (10) Your search has returned no tests.