Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Urine (1) Test Area (-) Drugs of Abuse (1) Newborn Tox (1) Therapeutics (11) Test Category (-) Alcohols (1) Depressants (4) Diuretics (1) NPS/Designer Drugs (2) Stimulants (4) Test Sub-Category Biomarkers (1) Test Test Name 9025U Ethyl Sulfate Screen, Urine