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