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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/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 Drugs of Abuse (5) Drugs of Abuse, Therapeutics (4) NPS/Designer Drugs (1) (-) Sedative/Hypnotics (2) Therapeutics (6) Test Sub-Category Barbiturates (2) Test Test Name 8620B Barbiturates Panel, Blood 8633B Phenobarbital, Blood