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 (4) Meconium (2) Serum or Plasma (2) Urine (2) Test Area Drugs of Abuse (3) Impairment (2) Newborn Tox (1) Therapeutics (4) Test Category (-) Analgesics (5) (-) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (2) Therapeutics (7) Test Sub-Category Opiates/Opioids (5) Other (5) Your search has returned no tests.