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 (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Sample Type Blood (3) Serum or Plasma (4) Urine (4) Test Area Drugs of Abuse (3) (-) Therapeutics (11) Test Category (-) Sedative/Hypnotics (11) Test Sub-Category (-) Barbiturates (11) Your search has returned no tests.