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