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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type (-) Blood (4) Meconium (2) Serum or Plasma (4) Urine (4) Test Area Drugs of Abuse (1) Therapeutics (3) Test Category (-) Analgesics (3) (-) NPS/Designer Drugs (1) Test Sub-Category (-) Opiates/Opioids (4) Synthetic Cathinone (1) Test Test Name 0771B Brorphine, Blood 0801B Buprenorphine and Metabolite - Free (Unconjugated), Blood 0802B Buprenorphine and Metabolite - Free (Unconjugated) Screen, Blood 0885B Butorphanol - Free (Unconjugated), Blood