Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Gas Chromatography (GC) (26) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) (-) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (1) Sample Type (-) Blood (1) Serum or Plasma (1) Tissue (1) Urine (4) Test Area (-) Therapeutics (1) Test Category Anesthetics (1) Test Sub-Category Other (1) Test Test Name 9065B Quaternary Ammonium Neuromuscular Blocking Agents Screen, Blood