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) (3) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (18) Gas Chromatography/Mass Spectrometry (GC/MS) (28) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (62) 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