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) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category (-) Antiparkinsons (2) Test Sub-Category Alpha-2 Adrenergic Antagonists (3) Alpha Blockers (2) Anticholinergics (3) Beta Blockers (7) Calcium Channel Blockers (5) Diuretics (2) (-) Dopamine Antagonists (2) Other (1) Test Test Name 4115B Ropinirole, Blood 4115SP Ropinirole, Serum/Plasma