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) (2) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (26) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (11) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (24) 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 Blood (4) Fluid (2) Serum or Plasma (3) Urine (3) Test Area Drugs of Abuse (5) Exposure (1) Therapeutics (6) Test Category Depressants (4) Muscle Relaxants (3) Sedative/Hypnotics (3) Stimulants (1) Volatiles (1) Test Sub-Category Opiates/Opioids (2) (-) Other (12) Your search has returned no tests.