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) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (2) Sample Type (-) Blood (2) Fluid (1) Meconium (1) Serum or Plasma (2) Tissue (1) Urine (3) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Drugs of Abuse (2) Other (1) (-) Sedative/Hypnotics (2) Therapeutics (2) Test Sub-Category Barbiturates (2) Test Test Name 8620B Barbiturates Panel, Blood 8633B Phenobarbital, Blood