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/Mass Spectrometry (GC/MS) (2) Sample Type Blood (2) Fluid (1) Meconium (1) (-) Serum or Plasma (2) Tissue (1) Urine (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Anesthetics (1) (-) Sedative/Hypnotics (2) Test Sub-Category (-) Barbiturates (2) Other (1) Test Test Name 8620SP Barbiturates Panel, Serum/Plasma 8633SP Phenobarbital, Serum/Plasma