Q41.2

Congenital absence, atresia and stenosis of ileum

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 2 never code together

Q41code

Excludes1

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

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 1

Q41code

Includes

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

Index entries leading here 5

Absence (of) (organ or part) (complete or partial)
- ileum (acquired) Z90.49
  - congenital Q41.2
Agenesis
- ileum Q41.2
Atresia, atretic
- ileum Q41.2
Stenosis, stenotic (cicatricial) — see also Stricture
- ileum K56.699
  - congenital Q41.2
Stricture — see also Stenosis
- ileum K56.699
  - congenital Q41.2

Alongside this code 4 same parent — Q41

Q41.0 Congenital absence, atresia and stenosis of duodenum Q41.1 Congenital absence, atresia and stenosis of jejunum Q41.8 Congenital absence, atresia and stenosis of prt sm int Q41.9 Congen absence, atresia and stenosis of sm int, part unsp

Medications 1

692 Congenital, Hereditary, and Neonatal Diseases and Abnormalities drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

This code

Billable: yes
Code set: FY2026
Parent: Q41
Block: Q38-Q45
Siblings: 4

Present FY2024–FY2027.

Q41.2

Risk adjustment

This code