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) (5) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) (-) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (6) Test Category (-) Antiparkinsons (6) Dopamine Precursor (1) Drugs of Abuse (3) Therapeutics (4) Test Sub-Category Anticholinergics (3) Dopamine Antagonists (2) Other (1) Your search has returned no tests.