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) (9) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (24) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (10) Headspace Gas Chromatography (GC) (7) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (48) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (20) Refractometer (REF) (2) Sample Type Blood (8) (-) Serum or Plasma (4) (-) Urine (8) Test Area Exposure (6) Therapeutics (6) Test Category Alcohols (2) Analgesics (2) Antianxiety (2) Sedative/Hypnotics (2) Solvents (2) Volatiles (2) Test Sub-Category Opiates/Opioids (2) Other (10) Your search has returned no tests.