Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type 24 Hour Urine (1) Blood (9) Fluid (3) Hair (1) Liquid (1) (-) Meconium (1) Nails (1) RBCs (1) Serum or Plasma (11) Tissue (2) Urine (6) Test Area Newborn Tox (1) Test Category Drugs of Abuse (1) Test Sub-Category (-) Opiates/Opioids (1) Test Test Name 2760ME Methadone and Metabolite (Qualitative), Meconium