Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (2) Meconium (1) Serum or Plasma (2) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category (-) Analgesics (2) Anesthetics (1) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Depressants (1) Muscle Relaxants (1) Stimulants (1) Test Sub-Category Opiates/Opioids (2) Test Test Name 0801U Buprenorphine and Metabolite - Total (Conjugated/Unconjugated), Urine 0885U Butorphanol - Total (Conjugated/Unconjugated), Urine