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 (2) (-) RBCs (1) Serum or Plasma (2) Urine (1) Test Area Exposure (2) Therapeutics (1) Test Category Antiparkinsons (1) Metals/Elements (2) Test Sub-Category Antihistamines (1) Cannabinoids (1) (-) Dopamine Antagonists (1) Other (6) (-) Toxic Elements (2) Test Test Name 4115B Ropinirole, Blood 4124B Rubidium, Blood 4124R Rubidium, RBCs