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) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (2) (-) Fluid (1) Meconium (1) (-) Serum or Plasma (2) Tissue (1) Urine (2) Test Area Drugs of Abuse (2) Therapeutics (1) Test Category Drugs of Abuse (3) (-) Sedative/Hypnotics (3) Therapeutics (4) Test Sub-Category Barbiturates (3) Your search has returned no tests.