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) (8) (-) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (14) Gas Chromatography/Mass Spectrometry (GC/MS) (4) (-) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (34) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (5) Refractometer (REF) (2) Sample Type Blood (2) Fluid (1) Serum or Plasma (2) Stool (1) (-) Urine (4) Test Area Drugs of Abuse (1) Exposure (1) Therapeutics (2) Test Category Alcohols (1) Analgesics (1) Antiepileptics/Antiseizures (1) Hallucinogens (1) Test Sub-Category Opiates/Opioids (1) Other (3) Your search has returned no tests.