Malrotation with volvulus
Hirschsprung's disease
Meconium ileus
Other intestinal atresia
Esophageal stenosis/atresia
Pyloric stenosis
Intestinal stenosis/atresia<unk> 
Malrotation ± volvulus
Incarcerated hernia
Meconium ileus/plug
Hirschsprung's disease
Imperforate anus
Enteric duplications
Intracranial bleed/mass
Hydrocephalus
Cerebral edema
Kernicterus
Urinary tract infection
Obstructive uropathy
Renal insufficiency
Viral illness
Acute gastroenteritis
Meningitis
Sepsis
Inborn errors of metabolism
Adrenal insufficiency
Congenital adrenal hyperplasia
Ileus
Gastroesophageal reflux disease
Necrotizing enterocolitis
Milk allergy, FPIES
GI perforation
Duodenal atresia
Malrotation with volvulus
Choanal atresia
Hirschsprung's disease
Pyloric stenosis
Meconium ileus
Other intestinal atresia
Biliary atresia