Instruction Source:
Q40.9Congenital malformation of upper alimentary tract, unspecified
Q40.9Congenital malformation of upper alimentary tract, unspecified
Q40Other congenital malformations of upper alimentary tract
Q38-Q45Other congenital malformations of the digestive system (Q38-Q45)
Q00-QA1Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders