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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type (-) Blood (2) (-) Meconium (2) Serum or Plasma (2) Urine (1) Test Area Drugs of Abuse (1) Impairment (2) (-) Newborn Tox (1) Postmortem (7) (-) Therapeutics (3) Test Category Analgesics (4) Test Sub-Category Opiates/Opioids (4) Your search has returned no tests.