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) (2) Gas Chromatography (GC) (18) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (63) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (6) Sample Type Blood (3) Fluid (2) (-) Serum or Plasma (2) Tissue (1) Urine (4) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Analgesics (1) Hallucinogens (1) Test Sub-Category Opiates/Opioids (1) Other (1) Your search has returned no tests.