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) (5) Headspace Gas Chromatography (GC) (4) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (12) Fluid (3) Meconium (2) (-) Serum or Plasma (4) Tissue (2) (-) Urine (4) Test Area Drugs of Abuse (2) Postmortem (3) Therapeutics (3) Test Category Analgesics (3) Drugs of Abuse (2) Therapeutics (3) Test Sub-Category Opiates/Opioids (3) Other (5) Your search has returned no tests.