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 (8) Fluid (1) Hair (1) Meconium (4) Serum or Plasma (8) (-) Tissue (1) Umbilical Cord (1) Urine (8) Test Area Drugs of Abuse (1) Test Category Anticholinergics (1) Antidepressants (2) Depressants (1) Metals/Elements (1) (-) Sedative/Hypnotics (1) Volatiles (1) Test Sub-Category Barbiturates (1) Your search has returned no tests.