Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (9) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (4) (-) Headspace Gas Chromatography (GC) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) Sample Type Blood (3) Serum or Plasma (2) Urine (3) Test Area Exposure (5) Therapeutics (3) Test Category Alcohols (7) (-) Analgesics (3) Solvents (1) (-) Volatiles (5) Test Sub-Category Opiates/Opioids (3) Other (5) Your search has returned no tests.