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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (6) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (18) Refractometer (REF) (2) Sample Type Blood (1) Serum or Plasma (1) Urine (3) Test Area Exposure (2) Therapeutics (3) Test Category Alcohols (3) (-) Analgesics (3) Antianxiety (3) Gases (1) Hallucinogens (3) Sedative/Hypnotics (3) (-) Solvents (2) Volatiles (4) Test Sub-Category Opiates/Opioids (3) Other (2) Your search has returned no tests.