C C99237 Neonatal Hypoglycemia Neonatal Hypoglycemia Blood glucose concentration below the lower limit of established reference ranges in a newborn. Blood glucose concentration below the lower limit of established reference ranges in a newborn. C98996 Neonatal Disorder C99147 Neonatal Research Network Terminology C C102977 Meconium Peritonitis Meconium Peritonitis Inflammation of the peritoneum caused by an intrauterine intestinal perforation leading to presence of meconium within the fetal peritoneal cavity. This is frequently seen as intra-abdominal calcifications on imaging. C26726 Infectious Disease C99147 Neonatal Research Network Terminology C C84713 Fetal Alcohol Syndrome Fetal Alcohol Syndrome A teratogenic disorder observed in a newborn or child of a mother who consumed alcohol during pregnancy. Manifestations of the syndrome include low birth weight, atypical facies, microcephaly, failure to thrive, developmental defects, organ dysfunction, mental deficiencies, poor motor coordination and behavioral problems. C92780 Fetal Alcohol Spectrum Disorder C99147 Neonatal Research Network Terminology C C84915 Necrotizing Enterocolitis Necrotizing Enterocolitis A fulminating disease of neonates in which there is extensive mucosal ulceration, pseudomembrane formation, submucosal hemorrhage, and necrosis usually of the right colon, cecum, terminal ileum, and appendix, possibly due to perinatal intestinal ischemia and bacterial invasion. Pneumatosis intestinalis is commonly seen on imaging. Progression can lead to necrosis, perforation and/or scarring of the intestinal tract. C97171 Congenital Abnormality of the Digestive System C99147 Neonatal Research Network Terminology C C98927 Fetal Hydantoin Syndrome Fetal Hydantoin Syndrome A teratogenic disorder observed in a newborn or child of a mother who was exposed to phenytoin during pregnancy. Manifestations include dysmorphic craniofacial features, hypoplastic distal phalanges and nails, growth delay and delayed psychomotor development. C92719 Fetal Disorder C99147 Neonatal Research Network Terminology C C98929 Fetal Retinoid Syndrome Retinoic Acid Embryopathy Fetal Isotretinoin Syndrome A teratogenic disorder observed in a newborn or child of a mother who was exposed to retinoids during pregnancy. Manifestations include growth delay, skull, facial, heart, and central nervous system malformations. C92719 Fetal Disorder C99147 Neonatal Research Network Terminology C C99024 Premature Closure of the Ductus Arteriosus Premature Closure of the Ductus Arteriosus Closure of the ductus arteriosus prior to birth. C99137 Great Vessel Abnormality C99147 Neonatal Research Network Terminology C C99248 Neonatal Diabetes Mellitus Neonatal Diabetes Mellitus Hyperglycemia in the newborn due to a defect in the secretion or function of insulin. C3009 Endocrine System Disorder C98996 Neonatal Disorder C99147 Neonatal Research Network Terminology C C98619 Parenteral Nutrition - Associated Cholestasis TPN Acquired Cholestasis Cholestasis that results from prolonged total parenteral nutrition. It is caused by diminished bile flow from the liver into the duodenum. It may result in cirrhosis and liver failure. Preterm infants are most susceptible to liver damage. C83006 Cholestasis C99147 Neonatal Research Network Terminology