ICD-10-CM 2027 diagnosis code
Q41Congenital absence, atresia and stenosis of small intestine
Q41 is a header code, so it can't be reported by itself. Choose one of the 5 more specific codes beneath it.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About Q41
Q41 is the ICD-10-CM diagnosis code for congenital absence, atresia and stenosis of small intestine. It belongs to block Q38-Q45 (other congenital malformations of the digestive system) and chapter 17 (congenital malformations, deformations, chromosomal abnormalities, and genetic disorders). It is a header code, so it can't be reported by itself; one of its 5 subcodes must be used instead.
To report this condition, pick the subcode that matches the documentation: Q41.0 (duodenum), Q41.1 (jejunum), Q41.2 (ileum), Q41.8 (intestine) and Q41.9 (part unspecified).
Don't report Q41 together with the conditions in its Excludes1 note: cystic fibrosis with intestinal manifestation (E84.11) and meconium ileus NOS (without cystic fibrosis) (P76.0).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Specific codes under Q41
- Q41.0Congenital absence, atresia and stenosis of duodenumBillable
- Q41.1Congenital absence, atresia and stenosis of jejunumBillable
- Q41.2Congenital absence, atresia and stenosis of ileumBillable
- Q41.8Congenital absence, atresia and stenosis of other specified parts of small intestineBillable
- Q41.9Congenital absence, atresia and stenosis of small intestine, part unspecifiedBillable
Coding notes
- congenital obstruction, occlusion or stricture of small intestine or intestine NOS
Notes that apply from higher levels
Instructions written at a parent level also apply to Q41.
Broader instructions also apply from Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders.
Codes whose notes reference Q41
- K56Excludes1
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about Q41
Is Q41 billable?
- No. Q41 is a header code. Report one of its more specific subcodes instead.