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) Enzyme Immunoassay (EIA) (1) (-) 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 (3) Antianxiety (2) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (4) Antiepileptics/Antiseizures (1) Antithrombotics (1) Benzodiazepines (2) Biomarkers (1) Depressants (2) Diuretics (1) Muscle Relaxants (2) NPS/Designer Drugs (4) Plasticizers (1) Sedative/Hypnotics (6) Stimulants (2) Volatiles (1) Test Sub-Category Opiates/Opioids (4) Test Test Name 0801B Buprenorphine and Metabolite - Free (Unconjugated), Blood 0801U Buprenorphine and Metabolite - Total (Conjugated/Unconjugated), Urine 0885B Butorphanol - Free (Unconjugated), Blood 0885U Butorphanol - Total (Conjugated/Unconjugated), Urine