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) Sample Type Blood (1) Fluid (1) (-) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (1) Impairment (1) Postmortem (1) (-) Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 3990SP Propoxyphene and Metabolite, Serum/Plasma