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) (7) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (32) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (7) Headspace Gas Chromatography (GC) (19) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (59) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (6) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Immunoassay (IA) (1) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (10) Sample Type 24 Hour Urine (3) (-) Blood (4) Fluid (2) Hair (3) Liquid (2) Nails (2) RBCs (3) (-) Serum or Plasma (4) Tissue (2) (-) Urine (5) Test Area Drugs of Abuse (3) Exposure (10) Test Category Metals/Elements (10) NPS/Designer Drugs (3) Test Sub-Category Opiates/Opioids (3) Toxic Elements (10) Your search has returned no tests.