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) (3) Sample Type (-) Blood (2) Serum or Plasma (3) (-) Urine (1) Test Area (-) Therapeutics (3) Test Category (-) Antiparkinsons (3) Test Sub-Category Anticholinergics (2) Dopamine Antagonists (1) Your search has returned no tests.