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) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (23) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antiarrhythmics (3) Antipsychotics (3) Antithyroids (2) (-) Dopamine Precursor (1) Test Sub-Category Parkinsons (1) Your search has returned no tests.