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 (6) Fluid (1) (-) Meconium (1) Serum or Plasma (5) Urine (5) Test Area Newborn Tox (1) Test Category (-) Analgesics (1) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihypertensives (2) Antipsychotics (2) Metals/Elements (3) Pesticides/Insecticides (1) Sedative/Hypnotics (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 4127ME Buprenorphine and Metabolite - Total (Qualitative), Meconium