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) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type Blood (3) Fluid (4) (-) Serum or Plasma (2) Tissue (3) Urine (2) Test Area Drugs of Abuse (1) Postmortem (1) Test Category Drugs of Abuse (1) Therapeutics (1) Test Sub-Category Other (2) Your search has returned no tests.