Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Sample Type Blood (2) Serum or Plasma (3) Urine (2) Test Area Drugs of Abuse (2) Therapeutics (5) Test Category (-) Sedative/Hypnotics (7) Test Sub-Category (-) Barbiturates (7) Your search has returned no tests.