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) (5) (-) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (26) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (28) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (4) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Urine (2) Test Area Drugs of Abuse (2) Test Category Psychoactives (1) Stimulants (1) Test Sub-Category Biomarkers (1) (-) Cannabinoids (1) Opiates/Opioids (4) (-) Other (1) Your search has returned no tests.