Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (3) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Sample Type Blood (1) Hair (1) (-) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Sedative/Hypnotics (1) Test Sub-Category (-) Barbiturates (1) Benzodiazepines (1) Opiates/Opioids (1) Test Test Name 0512SP Barbiturates Screen, Serum/Plasma