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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (2) Serum or Plasma (2) Urine (2) Test Area (-) Drugs of Abuse (6) Therapeutics (2) Test Category Depressants (3) Hallucinogens (3) Test Sub-Category Opiates/Opioids (3) Other (3) Your search has returned no tests.