Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (22) Fluid (5) Hair (1) (-) Meconium (1) Oral Fluid (Saliva) (1) (-) Plasma (1) Serum or Plasma (23) Tissue (4) Urine (20) Test Area Newborn Tox (3) (-) Therapeutics (2) Test Category Analgesics (1) Anesthetics (1) Test Sub-Category Opiates/Opioids (1) Other (1) Your search has returned no tests.