Is Q42 a billable code?
No. Q42 is a header code that groups 6 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Q42: Congenital absence, atresia and stenosis of large intestine
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Q42 groups related diagnoses under congenital absence, atresia and stenosis of large intestine. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Q42
- Q42.0Congenital absence, atresia and stenosis of rectum with fistula
- Q42.1Congenital absence, atresia and stenosis of rectum without fistula
- Q42.2Congenital absence, atresia and stenosis of anus with fistula
- Q42.3Congenital absence, atresia and stenosis of anus without fistula
- Q42.8Congenital absence, atresia and stenosis of other parts of large intestine
- Q42.9Congenital absence, atresia and stenosis of large intestine, part unspecified
Q42 questions
What does Q42 mean?
Q42 is the ICD-10-CM code for Congenital absence, atresia and stenosis of large intestine. It is in chapter 17, Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.