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) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Antiepileptics/Antiseizures (2) NPS/Designer Drugs (1) (-) Sedative/Hypnotics (1) Test Sub-Category (-) Barbiturates (1) Benzodiazepines (2) Test Test Name 3410B Pentobarbital, Blood