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 (-) Meconium (1) Test Area (-) Newborn Tox (1) Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Barbiturates (1) Benzodiazepines (1) (-) Opiates/Opioids (1) Test Test Name 4127ME Buprenorphine and Metabolite - Total (Qualitative), Meconium