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) (10) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (3) Headspace Gas Chromatography (GC) (13) Sample Type Blood (3) Fluid (2) Hair (1) Serum or Plasma (3) Tissue (1) Test Area Drugs of Abuse (10) Test Category Drugs of Abuse (23) (-) Drugs of Abuse, Therapeutics (10) Test Sub-Category Other (10) Your search has returned no tests.