Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (1) Fluid (1) Serum or Plasma (1) Urine (2) Test Area (-) Drugs of Abuse (5) Impairment (2) Newborn Tox (1) Postmortem (14) Therapeutics (9) Test Category Drugs of Abuse (4) NPS/Designer Drugs (1) Test Sub-Category Opiates/Opioids (1) Other (4) Your search has returned no tests.