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 (7) (-) Fluid (1) Hair (1) Meconium (1) Serum or Plasma (7) Tissue (2) Urine (7) Test Area Drugs of Abuse (1) Test Category Anesthetics (1) Antidepressants (1) Biomarkers (1) Depressants (2) Electrolytes (1) Muscle Relaxants (1) (-) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Your search has returned no tests.