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 Immunoassay (EIA) (1) Gas Chromatography (GC) (43) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (7) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) (-) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (67) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (6) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (17) Sample Type (-) Blood (5) Hair (1) (-) Serum or Plasma (1) (-) Urine (2) Test Area Drugs of Abuse (3) Exposure (5) Test Category Analgesics (3) Solvents (4) Volatiles (1) Test Sub-Category Opiates/Opioids (3) Other (5) Your search has returned no tests.