Q42.1
ICD-10BillableCongen absence, atresia and stenosis of rectum w/o fistula
Official ICD-10-CM descriptor (FY2026)
Congenital absence, atresia and stenosis of rectum without fistula
Q42.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Imperforate rectum
Related codes in Q42
- Q42.0Congenital absence, atresia and stenosis of rectum w fistula
- Q42.2Congenital absence, atresia and stenosis of anus w fistula
- Q42.3Congenital absence, atresia and stenosis of anus w/o fistula
- Q42.8Congenital absence, atresia and stenosis of prt lg int
- Q42.9Congen absence, atresia and stenosis of lg int, part unsp
Where this code sits
- Parent code
- Q42
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.