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 (57) Fluid (1) Hair (6) (-) Meconium (1) Nails (5) RBCs (5) Serum or Plasma (60) Urine (36) Test Area Test Category Test Sub-Category Test Test Name 2760ME Methadone and Metabolite (Qualitative), Meconium