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) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (4) (-) Headspace Gas Chromatography (GC) (2) Sample Type Blood (11) (-) Fluid (4) Serum or Plasma (4) Tissue (3) Urine (5) Test Area Drugs of Abuse (1) Postmortem (3) Test Category Drugs of Abuse (1) Therapeutics (3) Test Sub-Category Other (4) Your search has returned no tests.