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) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area (-) Therapeutics (2) Test Category Sedative/Hypnotics (2) Test Sub-Category (-) Barbiturates (2) Other (2) Test Test Name 0500SP Barbital, Serum/Plasma 0500U Barbital, Urine