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 Blood (44) (-) Meconium (1) Serum or Plasma (46) Urine (30) Test Area Test Category Test Sub-Category Test Test Name 2760ME Methadone and Metabolite (Qualitative), Meconium