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 Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) Tissue (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Anesthetics (3) Antianxiety (2) (-) Anticholinergics (2) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihistamines (3) Antitussives/Cough Suppressants (2) Diuretics (1) Muscle Relaxants (2) Plasticizers (1) Volatiles (5) Test Sub-Category Alkaloids (2) (-) Other (2) Test Test Name 0620B Benztropine, Blood 0620U Benztropine, Urine