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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type (-) Blood (3) Serum or Plasma (3) Urine (3) Test Area Drugs of Abuse (2) (-) Therapeutics (3) Test Category (-) Sedative/Hypnotics (3) Test Sub-Category (-) Barbiturates (3) Test Test Name 0500B Barbital, Blood 0810B Butabarbital, Blood 0830B Butalbital, Blood