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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type Blood (3) Meconium (2) Serum or Plasma (3) Urine (3) Test Area Newborn Tox (1) Therapeutics (10) Test Category (-) Analgesics (11) NPS/Designer Drugs (3) Test Sub-Category (-) Opiates/Opioids (11) Other (6) Your search has returned no tests.