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) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (4) Sample Type Blood (6) (-) Fluid (5) Serum or Plasma (4) Tissue (4) Urine (4) Test Area Drugs of Abuse (2) Postmortem (3) Test Category Depressants (2) Drugs of Abuse (4) (-) Drugs of Abuse, Therapeutics (2) (-) Therapeutics (3) Test Sub-Category Other (5) Your search has returned no tests.