Q42.1 Guidelines & Instructional Notes: Congenital absence, atresia and stenosis of rectum without fistula

Instruction Source: Q42.1

Congenital absence, atresia and stenosis of rectum without fistula

Instruction Source: Q42

Congenital absence, atresia and stenosis of large intestine

Instruction Source: Q38-Q45

Other congenital malformations of the digestive system (Q38-Q45)

Instruction Source: Q00-QA1

Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

Excludes 2 (Not Included Here)