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) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type (-) Blood (1) Fluid (1) Hair (1) Liquid (1) Nails (1) RBCs (1) (-) Serum or Plasma (2) Tissue (1) Test Area Exposure (2) Therapeutics (1) Test Category Dopamine Precursor (1) Metals/Elements (2) Test Sub-Category Amphetamines (2) Antiarrhythmics (5) Antiparasitics (2) Benzodiazepines (2) Beta Blockers (2) Insecticides (2) Metals/Elements (2) Other (27) (-) Parkinsons (1) (-) Toxic Elements (2) Test Test Name 2492B Lead, Blood 2492SP Lead, Serum/Plasma 2504SP Levodopa, Serum/Plasma