Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (1) Sample Type Blood (1) Serum or Plasma (1) Tissue (1) (-) Urine (1) Test Area Therapeutics (1) Test Category (-) Anesthetics (1) Test Sub-Category Other (1) Test Test Name 9065U Quaternary Ammonium Neuromuscular Blocking Agents Screen, Urine