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) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (13) Gas Chromatography/Mass Spectrometry (GC/MS) (7) Headspace Gas Chromatography (GC) (9) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type Blood (3) Fluid (2) Oral Fluid (Saliva) (6) (-) Serum or Plasma (2) (-) Tissue (1) Urine (2) Test Area (-) Drugs of Abuse (3) Therapeutics (23) Test Category Depressants (1) Hallucinogens (2) Test Sub-Category Opiates/Opioids (1) Other (2) Your search has returned no tests.