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) (4) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (10) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (1) Serum or Plasma (1) Test Area Drugs of Abuse (2) Test Category Sedative/Hypnotics (2) Test Sub-Category Antipyretics (3) (-) Barbiturates (2) Benzodiazepines (3) Cocaine (3) Opiates/Opioids (2) Other (3) Test Test Name 0512B Barbiturates Screen, Blood 0512SP Barbiturates Screen, Serum/Plasma