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 (2) Serum or Plasma (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Antiparkinsons (1) Psychoactives (1) Test Sub-Category Antihistamines (1) (-) Cannabinoids (1) (-) Dopamine Antagonists (1) Other (6) Toxic Elements (1) Test Test Name 0965B Recent Cannabis Use Markers, Blood 4115B Ropinirole, Blood