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) (4) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (29) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (38) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (11) Sample Type (-) Blood (2) Serum or Plasma (2) (-) Urine (3) Test Area Exposure (4) Therapeutics (1) Test Category Analgesics (1) Biomarkers (4) Test Sub-Category Cyanide (2) Opiates/Opioids (1) Other (2) Your search has returned no tests.