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 (5) Urine (2) Test Area Test Category Test Sub-Category Test Test Name 4085B Ranitidine, Blood 4105B Risperidone and Metabolite, Blood