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 (11) Fluid (3) Hair (1) Liquid (1) (-) Meconium (1) Nails (1) Oral Fluid (Saliva) (1) RBCs (1) Serum or Plasma (11) Tissue (2) Urine (8) 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