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) (12) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (11) 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 (6) Exposure (1) Impairment (1) Postmortem (4) Therapeutics (8) Test Category Depressants (2) Drugs of Abuse (2) Sedative/Hypnotics (2) Test Sub-Category Barbiturates (2) Other (4) Your search has returned no tests.