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 (GC) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (16) Sample Type (-) Urine (1) Test Area Drugs of Abuse (1) Test Category Depressants (1) Drugs of Abuse (12) Drugs of Abuse, Therapeutics (4) (-) Sedative/Hypnotics (1) Therapeutics (3) Test Sub-Category Barbiturates (1) Test Test Name 0512U Barbiturates Screen, Urine