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) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type (-) Blood (2) Meconium (2) (-) Serum or Plasma (2) Urine (2) Test Area Therapeutics (4) Test Category (-) Analgesics (4) Anesthetics (2) Antianxiety (2) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (4) Antiepileptics/Antiseizures (2) Antineoplastics (1) Antipsychotics (1) Antithrombotics (3) Benzodiazepines (2) Depressants (2) Diuretics (2) Muscle Relaxants (2) NPS/Designer Drugs (4) Stimulants (2) Test Sub-Category Opiates/Opioids (4) Test Test Name 0801B Buprenorphine and Metabolite - Free (Unconjugated), Blood 0801SP Buprenorphine and Metabolite - Free (Unconjugated), Serum/Plasma 0885B Butorphanol - Free (Unconjugated), Blood 0885SP Butorphanol - Free (Unconjugated), Serum/Plasma