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) (2) Sample Type Blood (4) (-) Serum or Plasma (2) Umbilical Cord (1) (-) Urine (2) Test Area Drugs of Abuse (4) Test Category Analgesics (2) (-) Drugs of Abuse (4) Therapeutics (5) Test Sub-Category Other (4) Your search has returned no tests.