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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) Sample Type (-) Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category Sedative/Hypnotics (2) Test Sub-Category (-) Barbiturates (2) Opiates/Opioids (2) Other (3) Test Test Name 3410B Pentobarbital, Blood 3410SP Pentobarbital, Serum/Plasma