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) (9) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (12) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (6) Sample Type 24 Hour Urine (1) Blood (8) Fluid (1) Hair (3) Liquid (1) Nails (1) Serum or Plasma (6) (-) Urine (7) Test Area Drugs of Abuse (1) Exposure (6) Test Category Analgesics (1) Metals/Elements (6) Test Sub-Category Opiates/Opioids (1) Other (1) Toxic Elements (5) Your search has returned no tests.