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 (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type (-) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Antidepressants (7) Antimicrobials (3) Antipsychotics (4) Biomarkers (2) Pesticides/Insecticides (3) (-) Sedative/Hypnotics (2) Volatiles (1) Test Sub-Category Barbiturates (2) Test Test Name 0450SP Aprobarbital, Serum/Plasma 0450U Aprobarbital, Urine