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) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Refractometer (REF) (2) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area Exposure (1) Therapeutics (2) Test Category (-) Analgesics (2) Anesthetics (2) Biomarkers (2) Depressants (4) Plasticizers (2) Sedative/Hypnotics (15) (-) Volatiles (1) Test Sub-Category Opiates/Opioids (2) Other (1) Test Test Name 0556U Benzidine, Urine 0802B Buprenorphine and Metabolite - Free (Unconjugated) Screen, Blood 0802SP Buprenorphine and Metabolite - Free (Unconjugated) Screen, Serum/Plasma