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) (13) Enzyme Immunoassay (EIA) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (7) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (7) Sample Type Blood (6) Fluid (2) Meconium (1) Serum or Plasma (3) Tissue (2) Urine (3) Test Area Newborn Tox (1) (-) Postmortem (11) (-) Therapeutics (6) Test Category (-) Analgesics (6) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (2) (-) Therapeutics (11) Test Sub-Category Alcohols (2) Opiates/Opioids (6) Other (9) Your search has returned no tests.