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) (8) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (32) Sample Type Blood (3) Fluid (2) Serum or Plasma (2) Tissue (1) Test Area Drugs of Abuse (3) Therapeutics (5) Test Category (-) Analgesics (5) (-) Hallucinogens (3) Test Sub-Category Opiates/Opioids (5) Other (3) Your search has returned no tests.