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 (2) Antianxiety (1) (-) Anticholinergics (2) Antidepressants (4) Antihistamines (1) Antitussives/Cough Suppressants (1) Muscle Relaxants (1) Plasticizers (1) Volatiles (4) Test Sub-Category Alkaloids (1) (-) Other (2) Test Test Name 0620TI Benztropine, Tissue 0620U Benztropine, Urine