Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (36) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) Immunoassay (IA) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (5) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (1) Serum or Plasma (2) Urine (1) Test Area Exposure (1) (-) Therapeutics (4) Test Category Antipsychotics (3) Dopamine Precursor (1) Test Sub-Category Other (3) Parkinsons (1) Your search has returned no tests.