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) (8) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (7) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type (-) Blood (3) Fluid (3) Hair (1) Serum or Plasma (3) Tissue (1) Urine (4) Test Area (-) Drugs of Abuse (3) Exposure (2) Impairment (1) Postmortem (3) Therapeutics (8) Test Category Depressants (1) Drugs of Abuse (1) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Other (2) Your search has returned no tests.