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) (7) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (7) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) Sample Type Blood (2) Serum or Plasma (2) Urine (3) Test Area Exposure (3) Therapeutics (4) Test Category (-) Alcohols (3) (-) Analgesics (4) Antianxiety (3) Gases (1) Sedative/Hypnotics (3) Solvents (2) Stimulants (3) Volatiles (4) Test Sub-Category Opiates/Opioids (4) Other (3) Your search has returned no tests.