Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (2) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (11) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Sample Type Urine (1) Test Area Drugs of Abuse (1) Test Category Analgesics (1) Depressants (1) (-) Sedative/Hypnotics (1) Stimulants (2) Test Sub-Category Barbiturates (1) Test Test Name 0512U Barbiturates Screen, Urine