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) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Sample Type (-) Blood (2) (-) Hair (1) Urine (1) Test Area (-) Drugs of Abuse (3) Exposure (1) Test Category Analgesics (2) Other (1) Test Sub-Category Opiates/Opioids (2) Other (1) Your search has returned no tests.