Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Gas Chromatography (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type (-) Blood (2) Fluid (1) Serum or Plasma (2) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (1) Sedative/Hypnotics (1) Test Sub-Category (-) Barbiturates (1) (-) Opiates/Opioids (1) Other (2) Test Test Name 3410B Pentobarbital, Blood 3990B Propoxyphene and Metabolite, Blood