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) (2) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Urine (1) Test Area (-) Drugs of Abuse (1) Therapeutics (3) Test Category Depressants (1) Test Sub-Category Biomarkers (1) Cannabinoids (1) (-) Opiates/Opioids (1) Other (1) Test Test Name 9343U Heroin Screen, Urine