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 (GC) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type Blood (2) Fluid (1) Serum or Plasma (2) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Barbiturates (2) Beta Blockers (1) Biomarkers (1) GABA Analogues (1) NSAIDs (1) (-) Opiates/Opioids (1) Other (9) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Sympathomimetic Agents (4) Test Test Name 3990U Propoxyphene and Metabolite, Urine