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 (-) Therapeutics (2) Test Category (-) Antiarrhythmics (2) Antimicrobials (1) Antipsychotics (1) Appetite Suppressants (1) Test Sub-Category Other (2) Test Test Name 4071B Quinidine, Blood 4075B Quinine/Quinidine Differentiation, Blood