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) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Refractometer (REF) (2) Sample Type Urine (1) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Depressants (1) Sedative/Hypnotics (1) Test Sub-Category Opiates/Opioids (1) Your search has returned no tests.