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) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (6) (-) Enzyme Immunoassay (EIA) (7) Gas Chromatography (GC) (40) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (42) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Sample Type (-) Blood (6) Fluid (1) Serum or Plasma (6) (-) Urine (7) Test Area Drugs of Abuse (7) Therapeutics (6) Test Category Alcohols (1) Analgesics (6) Depressants (2) Psychoactives (2) Stimulants (2) Test Sub-Category Biomarkers (1) Cannabinoids (2) Opiates/Opioids (8) Other (2) Your search has returned no tests.