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) (48) Enzymatic Assay (EZA) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (9) Enzyme Immunoassay (EIA) (35) Gas Chromatography (GC) (80) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (31) Headspace Gas Chromatography (GC) (28) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (215) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (9) (-) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (8) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (62) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Ion Specific Electrode (ISE) (2) Refractometer (REF) (4) 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