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 (8) (-) Fluid (1) Serum or Plasma (6) Urine (6) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Antidepressants (2) Antiepileptics/Antiseizures (3) Antihistamines (1) Antihypertensives (2) Drugs of Abuse (3) Hallucinogens (4) Metals/Elements (2) Therapeutics (6) Volatiles (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 3990FL Propoxyphene and Metabolite, Fluid