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) (4) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (3) Sample Type Blood (1) (-) Fluid (4) Serum or Plasma (1) Tissue (3) (-) Urine (1) Test Area Drugs of Abuse (1) Postmortem (4) Test Category Drugs of Abuse (1) Therapeutics (4) Test Sub-Category (-) Other (5) Your search has returned no tests.