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 (1) (-) Serum or Plasma (4) Urine (3) Test Area Therapeutics (4) Test Category (-) Analgesics (4) NPS/Designer Drugs (3) Pesticides/Insecticides (1) Test Sub-Category Antipyretics (2) NSAIDs (1) (-) Opiates/Opioids (4) Test Test Name 0200SP Alfentanil, Serum/Plasma 0801SP Buprenorphine and Metabolite - Free (Unconjugated), Serum/Plasma 0802SP Buprenorphine and Metabolite - Free (Unconjugated) Screen, Serum/Plasma 0885SP Butorphanol - Free (Unconjugated), Serum/Plasma