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) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (16) Enzyme Immunoassay (EIA) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (11) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (11) Sample Type Blood (9) Fluid (2) Meconium (1) Serum or Plasma (1) Tissue (2) Urine (2) Test Area Drugs of Abuse (6) (-) Impairment (2) (-) Newborn Tox (1) (-) Postmortem (14) Therapeutics (6) Test Category Analgesics (1) Drugs of Abuse (3) Drugs of Abuse, Therapeutics (2) Therapeutics (11) Test Sub-Category Alcohols (2) Opiates/Opioids (1) Other (14) Your search has returned no tests.