Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) (-) Gas Chromatography (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type (-) Blood (3) Serum or Plasma (4) Urine (4) Test Area Therapeutics (3) Test Category Antidepressants (2) Antihistamines (1) Antimicrobials (1) Antipsychotics (1) Biomarkers (1) Pesticides/Insecticides (2) (-) Sedative/Hypnotics (3) Volatiles (1) Test Sub-Category Barbiturates (3) Test Test Name 0500B Barbital, Blood 0810B Butabarbital, Blood 0830B Butalbital, Blood