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) (3) Enzyme Immunoassay (EIA) (3) Headspace Gas Chromatography (GC) (1) (-) 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 (2) Fluid (2) Serum or Plasma (2) Tissue (2) (-) Umbilical Cord (1) (-) Urine (2) Test Area Drugs of Abuse (1) Newborn Tox (1) Therapeutics (1) Test Category Analgesics (1) Drugs of Abuse (1) NPS/Designer Drugs (1) Test Sub-Category Opiates/Opioids (2) Other (1) Your search has returned no tests.