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