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) (9) Enzyme Immunoassay (EIA) (9) Gas Chromatography/Mass Spectrometry (GC/MS) (7) Headspace Gas Chromatography (GC) (13) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (2) Test Area (-) Drugs of Abuse (3) Impairment (2) Postmortem (3) Test Category Drugs of Abuse (2) Drugs of Abuse, Therapeutics (1) Test Sub-Category Other (3) Your search has returned no tests.