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) (1) Sample Type Blood (12) (-) Fluid (1) Serum or Plasma (14) Urine (10) Test Area Drugs of Abuse (1) (-) Therapeutics (1) Test Category Analgesics (1) Test Sub-Category NSAIDs (1) Test Test Name 3130FL Naproxen, Fluid