Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Urine (1) Test Area (-) Drugs of Abuse (1) Newborn Tox (1) Therapeutics (11) Test Category Alcohols (1) Test Sub-Category Benzodiazepines (4) (-) Biomarkers (1) Other (5) Synthetic Cannabinoids (2) Test Test Name 9025U Ethyl Sulfate Screen, Urine