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) (2) Sample Type Blood (3) Meconium (2) (-) Serum or Plasma (3) Urine (2) Test Area Therapeutics (3) Test Category (-) Analgesics (3) Anesthetics (1) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antiepileptics/Antiseizures (1) Antineoplastics (1) Antipsychotics (1) Antithrombotics (2) Benzodiazepines (1) Depressants (2) Diuretics (1) Muscle Relaxants (1) NPS/Designer Drugs (2) Sedative/Hypnotics (1) Stimulants (1) Test Sub-Category Opiates/Opioids (3) Test Test Name 0801SP Buprenorphine and Metabolite - Free (Unconjugated), Serum/Plasma 0802SP Buprenorphine and Metabolite - Free (Unconjugated) Screen, Serum/Plasma 0885SP Butorphanol - Free (Unconjugated), Serum/Plasma