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) (5) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (12) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type Blood (2) Hair (1) Serum or Plasma (2) Test Area Drugs of Abuse (3) Therapeutics (2) Test Category (-) Analgesics (2) Depressants (4) (-) Sedative/Hypnotics (3) Test Sub-Category Barbiturates (3) Opiates/Opioids (2) Your search has returned no tests.