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) (3) Sample Type Blood (4) (-) Fluid (1) (-) Meconium (2) Plasma (1) Serum or Plasma (4) Urine (5) Test Area Newborn Tox (1) Therapeutics (2) Test Category (-) Analgesics (2) (-) Anesthetics (1) Antidepressants (1) Biomarkers (1) Depressants (2) Drugs of Abuse (1) Electrolytes (1) Muscle Relaxants (1) Sedative/Hypnotics (2) Test Sub-Category Opiates/Opioids (2) Other (1) Test Test Name 0800FL Bupivacaine, Fluid 0801ME Buprenorphine and Metabolite - Total (Conjugated/Unconjugated) (Qualitative), Meconium 4127ME Buprenorphine and Metabolite - Total (Qualitative), Meconium