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) (6) Enzyme-Linked Immunosorbent Assay (ELISA) (14) Enzyme Immunoassay (EIA) (3) (-) Gas Chromatography (GC) (14) Gas Chromatography/Mass Spectrometry (GC/MS) (17) Headspace Gas Chromatography (GC) (10) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (21) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (5) Serum or Plasma (6) Urine (3) Test Area Therapeutics (14) Test Category Depressants (2) Other (1) (-) Sedative/Hypnotics (14) Test Sub-Category Barbiturates (4) (-) Other (14) Your search has returned no tests.