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 (4) Blood (45) Fluid (10) Hair (8) Liquid (4) (-) Meconium (1) Nails (6) RBCs (6) Serum or Plasma (33) Stool (1) Tissue (11) Urine (38) 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