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) (9) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (5) Fluid (1) Serum or Plasma (2) Urine (1) Test Area Drugs of Abuse (4) Impairment (2) Postmortem (1) Therapeutics (2) Test Category (-) Analgesics (2) (-) Drugs of Abuse (7) Drugs of Abuse, Therapeutics (4) Therapeutics (11) Test Sub-Category Opiates/Opioids (2) Other (7) Your search has returned no tests.