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) (36) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (37) 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 (2) (-) Serum or Plasma (4) (-) Urine (4) Test Area Drugs of Abuse (7) Therapeutics (1) Test Category Analgesics (1) Depressants (2) Hallucinogens (2) Muscle Relaxants (1) NPS/Designer Drugs (2) Test Sub-Category Opiates/Opioids (3) Other (5) Your search has returned no tests.