2026 ICD-10-CM Diagnosis Code Q41Congenital absence, atresia and stenosis of small intestine

ICD-10-CM Codes›Q00-Q99›Q38-Q45›Q41

ICD-10-CM Q41
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q41 is a non-billable ICD-10-CM category code for congenital absence, atresia and stenosis of small intestine, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q41.0, Q41.1, Q41.2, and Q41.8.

Code Identity

ICD-10-CM Code
Q41
Billable Status
No — Non-Billable Category
Code Describes
Congenital absence, atresia and stenosis of small intestine
Chapter
Q38-Q45
Other congenital malformations of the digestive system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ38-Q45Other congenital malformations of the digestive system
CategoryQ41Congenital absence, atresia and stenosis of small intestine
This CodeQ41Congenital absence, atresia and stenosis of small intestine

Specific Coding for Congenital absence, atresia and stenosis of small intestineOverview

Non-specific codes like Q41 require more characters. Use one of these billable codes instead:

  • Use Q41.0 for Congenital absence, atresia and stenosis of duodenum

  • Use Q41.1 for Congenital absence, atresia and stenosis of jejunum

  • Use Q41.2 for Congenital absence, atresia and stenosis of ileum

  • Use Q41.8 for Congenital absence, atresia and stenosis of other specified parts of small intestine

  • Use Q41.9 for Congenital absence, atresia and stenosis of small intestine, part unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • congenital obstruction, occlusion or stricture of small intestine or intestine NOS

Type 1 Excludes

  • cystic fibrosis with intestinal manifestation E84.11
  • meconium ileus NOS without cystic fibrosis P76.0

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q41Overview

Is Q41 (Congenital absence, atresia and stenosis of small intestine) a billable code?

No. This is a category header that groups the codes for congenital absence, atresia and stenosis of small intestine, and headers cannot be submitted on claims. Claims for congenital absence, atresia and stenosis of small intestine need a more specific code from this category, such as Q41.0, Q41.1, and Q41.2.