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) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (16) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Plasma (1) Serum or Plasma (2) (-) Urine (3) Test Area Diagnostic Aids (1) Drugs of Abuse (2) Exposure (2) (-) Therapeutics (3) Test Category Anesthetics (1) Sedative/Hypnotics (2) Test Sub-Category Barbiturates (2) Other (1) Test Test Name 0560U Benzocaine, Urine 0810U Butabarbital, Urine 0830U Butalbital, Urine