ICD-10-CM Q42: Congenital absence, atresia and stenosis of large intestine

ICD-10-CM Diagnosis Code (2025)

Official Description for Q42

Congenital absence, atresia and stenosis of large intestine

Coding Notes & Guidelines for Q42

Includes Notes

congenital obstruction, occlusion and stricture of large intestine

Inclusion Terms

Imperforate rectum

Inclusion Terms

Imperforate anus

Child Codes (More Specific Codes for Q42):

Q42.0 - Congenital absence, atresia and stenosis of rectum with fistula Q42.1 - Congenital absence, atresia and stenosis of rectum without fistula Q42.2 - Congenital absence, atresia and stenosis of anus with fistula Q42.3 - Congenital absence, atresia and stenosis of anus without fistula Q42.8 - Congenital absence, atresia and stenosis of other parts of large intestine Q42.9 - Congenital absence, atresia and stenosis of large intestine, part unspecified

About ICD-10-CM Code Q42 (Congenital absence)

ICD-10-CM code Q42 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q42 became effective on October 1, 2024.

This page provides detailed information about Q42 - Congenital absence, atresia and stenosis of large intestine. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Congenital absence related to atresia and stenosis of large intestine.