Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (1) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (4) (-) Fluid (1) Meconium (2) Serum or Plasma (4) (-) Urine (4) Test Area Diagnostic Aids (2) Therapeutics (3) Test Category Alcohols (1) (-) Analgesics (3) Anesthetics (3) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (3) Antihistamines (1) Antitussives/Cough Suppressants (1) Benzodiazepines (1) (-) Biomarkers (2) Depressants (4) Electrolytes (2) Metals/Elements (5) Muscle Relaxants (2) NPS/Designer Drugs (2) Plasticizers (1) Sedative/Hypnotics (6) Stimulants (1) Volatiles (3) Test Sub-Category Opiates/Opioids (3) Small Molecule (2) Test Test Name 0420FL Betahydroxybutyric Acid, Fluid 0642U Betahydroxybutyric Acid, Urine 0801U Buprenorphine and Metabolite - Total (Conjugated/Unconjugated), Urine 0802U Buprenorphine Screen, Urine 0885U Butorphanol - Total (Conjugated/Unconjugated), Urine