Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (1) Sample Type (-) Blood (1) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Therapeutics (1) Test Category (-) Anesthetics (1) Antianxiety (1) Antiarrhythmics (3) Anticholinergics (1) Antidepressants (2) Antiepileptics/Antiseizures (1) Antihistamines (2) Antipsychotics (2) Depressants (1) Diagnostic Aids (2) Hallucinogens (1) Muscle Relaxants (2) Other (1) Sedative/Hypnotics (3) Stimulants (2) Vasodilators (1) Volatiles (1) Test Sub-Category Antiarrhythmics (1) Barbiturates (1) Non-Barbiturate Sedative Hypnotics (1) (-) Other (1) Test Test Name 9065B Quaternary Ammonium Neuromuscular Blocking Agents Screen, Blood