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) Fluid (1) Serum or Plasma (3) (-) Urine (2) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Test Sub-Category (-) NSAIDs (2) Opiates/Opioids (1) Test Test Name 3107U Nabumetone as Metabolite, Urine 3130U Naproxen, Urine