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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (29) (-) Enzyme Immunoassay (EIA) (9) Gas Chromatography/Mass Spectrometry (GC/MS) (16) Headspace Gas Chromatography (GC) (29) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Sample Type Urine (9) Test Area (-) Drugs of Abuse (9) Impairment (3) Postmortem (6) Test Category Drugs of Abuse (4) Drugs of Abuse, Therapeutics (4) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Other (8) Your search has returned no tests.