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) (1) (-) Enzyme Immunoassay (EIA) (7) Gas Chromatography (GC) (14) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (25) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type Blood (4) (-) Fluid (2) Serum or Plasma (2) (-) Urine (9) Test Area Drugs of Abuse (7) Therapeutics (4) Test Category Alcohols (1) Analgesics (4) Depressants (3) Muscle Relaxants (1) Psychoactives (1) Stimulants (1) Test Sub-Category Biomarkers (1) Cannabinoids (1) Opiates/Opioids (5) Other (4) Your search has returned no tests.