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) (1) Sample Type Blood (4) Meconium (2) (-) Serum or Plasma (2) Urine (3) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Drugs of Abuse (1) Therapeutics (1) Test Sub-Category Opiates/Opioids (2) Test Test Name 0801SP Buprenorphine and Metabolite - Free (Unconjugated), Serum/Plasma 0802SP Buprenorphine and Metabolite - Free (Unconjugated) Screen, Serum/Plasma