Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (5) Fluid (1) (-) Serum or Plasma (4) Tissue (1) Urine (3) Test Area Drugs of Abuse (1) Postmortem (1) Therapeutics (2) Test Category Antiparkinsons (2) Drugs of Abuse (1) Therapeutics (1) Test Sub-Category Anticholinergics (1) Dopamine Antagonists (1) Other (2) Your search has returned no tests.