• Q38 Other congenital malformations of tongue, mouth and pharynx
  • Q39 Congenital malformations of esophagus
  • Q40 Other congenital malformations of upper alimentary tract
  • Q41 Congenital absence, atresia and stenosis of small intestine
  • Q42 Congenital absence, atresia and stenosis of large intestine
  • Q43 Other congenital malformations of intestine
  • Q44 Congenital malformations of gallbladder, bile ducts and liver
  • Q45 Other congenital malformations of digestive system