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) (6) (-) Enzyme Immunoassay (EIA) (4) Gas Chromatography (GC) (8) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) Sample Type Urine (4) Test Area Drugs of Abuse (1) Therapeutics (3) Test Category (-) Alcohols (1) (-) Analgesics (3) Depressants (1) Psychoactives (1) Stimulants (1) Test Sub-Category Biomarkers (1) Opiates/Opioids (3) Your search has returned no tests.