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) Gas Chromatography (GC) (1) (-) Headspace Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (3) Meconium (2) (-) Serum or Plasma (3) Urine (3) Test Area Exposure (1) Therapeutics (2) Test Category (-) Alcohols (1) (-) Analgesics (2) Anesthetics (1) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antiepileptics/Antiseizures (1) Antineoplastics (1) Antipsychotics (1) Antithrombotics (2) Benzodiazepines (1) Depressants (1) Diuretics (1) Muscle Relaxants (1) NPS/Designer Drugs (2) Stimulants (1) Test Sub-Category Opiates/Opioids (2) Solvents (1) Test Test Name 0801SP Buprenorphine and Metabolite - Free (Unconjugated), Serum/Plasma 0850SP Butanols, n-, iso-, Sec- and Tert, Serum/Plasma 0885SP Butorphanol - Free (Unconjugated), Serum/Plasma