Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Gas Chromatography (GC) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (22) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Immunoassay (IA) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (6) Sample Type Blood (1) (-) Serum or Plasma (2) (-) Urine (1) Test Area Therapeutics (3) Test Category Antipsychotics (2) Dopamine Precursor (1) Test Sub-Category Other (2) Parkinsons (1) Your search has returned no tests.