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) Enzymatic Assay (EZA) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (4) Gas Chromatography (GC) (18) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (72) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (8) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (4) (-) Fluid (2) (-) Serum or Plasma (3) Tissue (1) Urine (8) Test Area Drugs of Abuse (2) Exposure (1) Therapeutics (2) Test Category Analgesics (2) Hallucinogens (2) Industrial/Environmental Toxins (1) Therapeutics (1) Vasodilators (1) Test Sub-Category Opiates/Opioids (2) Other (3) Your search has returned no tests.