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/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type (-) Blood (5) Fluid (1) Meconium (2) Serum or Plasma (5) Urine (5) Test Area Diagnostic Aids (1) Therapeutics (4) Test Category Alcohols (2) (-) Analgesics (3) Anesthetics (1) (-) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Antiepileptics/Antiseizures (1) Antihistamines (2) Antithrombotics (1) Antitussives/Cough Suppressants (1) Benzodiazepines (1) (-) Biomarkers (1) Depressants (2) Diuretics (1) Metals/Elements (5) Muscle Relaxants (1) NPS/Designer Drugs (2) Sedative/Hypnotics (5) Stimulants (1) Volatiles (2) Test Sub-Category Opiates/Opioids (3) Other (1) Small Molecule (1) Test Test Name 0420B Betahydroxybutyric Acid, Blood 0801B Buprenorphine and Metabolite - Free (Unconjugated), Blood 0802B Buprenorphine and Metabolite - Free (Unconjugated) Screen, Blood 0805B Buspirone, Blood 0885B Butorphanol - Free (Unconjugated), Blood