Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Sedative/Hypnotics (1) Test Sub-Category Alkaloids (1) (-) Barbiturates (1) Benzodiazepines (1) Beta Blockers (1) Designer Benzodiazepines (1) Opiates/Opioids (3) Other (9) Sympathomimetic Amines (1) Synthetic Cathinone (1) Test Test Name 0500U Barbital, Urine