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 (2) Serum or Plasma (3) Urine (3) Test Area Exposure (3) (-) Therapeutics (8) Test Category Anesthetics (2) Antidepressants (3) (-) Sedative/Hypnotics (8) Test Sub-Category Barbiturates (8) Your search has returned no tests.