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) (1) Sample Type Blood (3) (-) Fluid (1) Meconium (1) Serum or Plasma (3) Tissue (1) Urine (3) Test Area Drugs of Abuse (1) Test Category Biomarkers (1) (-) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Your search has returned no tests.