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 Immunoassay (EIA) (7) Gas Chromatography (GC) (15) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (21) (-) 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 (3) Serum or Plasma (3) Tissue (1) (-) Urine (3) Test Area Drugs of Abuse (2) Therapeutics (1) Test Category Anesthetics (1) Hallucinogens (1) NPS/Designer Drugs (1) Test Sub-Category Opiates/Opioids (1) Other (2) Test Test Name 9065U Quaternary Ammonium Neuromuscular Blocking Agents Screen, Urine 9105U Acetyl Fentanyl Screen, Urine 9293U Methylenedioxymethamphetamine and Metabolite Screen, Urine