Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) Sample Type Blood (10) (-) Fluid (2) Meconium (1) Plasma (1) Serum or Plasma (10) Tissue (1) Urine (9) Test Area Drugs of Abuse (2) Test Category (-) Depressants (1) Drugs of Abuse (1) (-) Sedative/Hypnotics (1) Therapeutics (3) Test Sub-Category Barbiturates (1) Other (1) Your search has returned no tests.