Q42.1
Billable codeCongenital absence, atresia and stenosis of rectum without fistula
The ICD-10 code for congenital absence, atresia and stenosis of rectum without fistula is Q42.1.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Imperforate rectum
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q42.0Congenital absence, atresia and stenosis of rectum with 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
- Q42.1Congenital absence, atresia and stenosis of rectum without fistula
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7512Approximate match
Associated MS-DRGs
Q42.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 314Other Circulatory System Diagnoses with MCC
- DRG 315Other Circulatory System Diagnoses with CC
- DRG 316Other Circulatory System Diagnoses without CC/MCC
- DRG 393Other Digestive System Diagnoses with MCC
- DRG 394Other Digestive System Diagnoses with CC
- DRG 395Other Digestive System Diagnoses without CC/MCC