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) (1) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type Blood (4) (-) Serum or Plasma (5) Urine (5) Test Area Drugs of Abuse (1) Therapeutics (4) Test Category (-) Sedative/Hypnotics (5) Test Sub-Category (-) Barbiturates (5) Your search has returned no tests.