Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (2) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (14) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Depressants (4) Sedative/Hypnotics (3) Test Sub-Category Opiates/Opioids (2) Test Test Name 0802B Buprenorphine and Metabolite - Free (Unconjugated) Screen, Blood 0802SP Buprenorphine and Metabolite - Free (Unconjugated) Screen, Serum/Plasma