Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (3) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (27) Sample Type Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category Antidepressants (14) Antimicrobials (5) Antipsychotics (6) Biomarkers (2) Pesticides/Insecticides (5) (-) Sedative/Hypnotics (2) Terpenes (1) Volatiles (1) Test Sub-Category Barbiturates (2) Test Test Name 0450SP Aprobarbital, Serum/Plasma 0450U Aprobarbital, Urine