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) (8) (-) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (13) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (34) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (9) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Refractometer (REF) (2) Sample Type (-) Urine (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Analgesics (1) Hallucinogens (1) Test Sub-Category Opiates/Opioids (1) Other (1) Your search has returned no tests.