Q40 - Other congenital malformations of upper alimentary tract
Q40.0 - Congenital hypertrophic pyloric stenosis
Q40.1 - Congenital hiatus hernia
Q40.2 - Other specified congenital malformations of stomach
Q40.3 - Congenital malformation of stomach, unspecified
Q40.8 - Other specified congenital malformations of upper alimentary tract
Q40.9 - Congenital malformation of upper alimentary tract, unspecified