Q41.0

Congenital absence, atresia and stenosis of duodenum

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC78

Intestinal Obstruction/Perforation

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from Q41Congenital absence, atresia and stenosis of small intestine
Includes

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

Excludes 1

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

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q41.0

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q41.0

Sections whose FY 2026 text names Q41.0, its Q41 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q41.0 in the alphabetic index

5 index paths lead to this code