Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (4) (-) Fluid (1) Serum or Plasma (4) Urine (3) Test Area Postmortem (3) (-) Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 3990FL Propoxyphene and Metabolite, Fluid