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) (2) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category Sedative/Hypnotics (3) Test Sub-Category Antivirals (4) (-) Barbiturates (3) Herbicides (3) Hydrocarbons (1) Other (15) Phenothiazines (3) Small Molecule (2) Tetracyclics (1) Tricyclic (6) Test Test Name 0500B Barbital, Blood 0500SP Barbital, Serum/Plasma 0500U Barbital, Urine