Q42
Header — not billableCongenital absence, atresia and stenosis of large intestine
The ICD-10 code for congenital absence, atresia and stenosis of large intestine is Q42.
Q42 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Clinical notes
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- congenital obstruction, occlusion and stricture of large intestine
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child 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
Related codes in this category
- Q38Other congenital malformations of tongue, mouth and pharynxnon-billable header
- Q39Congenital malformations of esophagusnon-billable header
- Q40Other congenital malformations of upper alimentary tractnon-billable header
- Q41Congenital absence, atresia and stenosis of small intestinenon-billable header
- Q43Other congenital malformations of intestinenon-billable header
- Q44Congenital malformations of gallbladder, bile ducts and livernon-billable header
- Q45Other congenital malformations of digestive systemnon-billable header
- Q42Congenital absence, atresia and stenosis of large intestinenon-billable header