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) Urine (1) Test Area Therapeutics (2) Test Category Analgesics (1) Antispasmodics (1) Test Sub-Category (-) Antispasmodics (1) Benzodiazepines (1) (-) NSAIDs (1) Opiates/Opioids (10) Other (5) Proton-Pump Inhibitors (1) Test Test Name 3266B Oxybutynin and Metabolite, Blood 3286B Oxaprozin, Blood