Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Drugs of Abuse (1) (-) Therapeutics (2) Test Category Analgesics (2) Anesthetics (2) Antianxiety (1) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (2) Depressants (1) Muscle Relaxants (1) (-) Sedative/Hypnotics (2) Stimulants (1) Test Sub-Category Barbiturates (2) Test Test Name 0810U Butabarbital, Urine 0830U Butalbital, Urine