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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Urine (1) Test Area Drugs of Abuse (1) Test Category (-) Depressants (1) Test Sub-Category (-) Opiates/Opioids (1) Your search has returned no tests.