Q40 ICD-10-CM Code: Other congenital malformations of upper alimentary tract
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
Q40Other congenital malformations of upper alimentary tract
ICD-10-CM diagnosis code · United States clinical modification
Where Q40 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Other congenital malformations of the digestive system (Q38-Q45)
- 3
Category Q40
Other congenital malformations of upper alimentary tract
- 4
Code Q40
Other congenital malformations of upper alimentary tract
Codes under Q40
Q40 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Q40.0Congenital hypertrophic pyloric stenosisQ40.1Congenital hiatus herniaQ40.2Other specified congenital malformations of stomachQ40.3Congenital malformation of stomach, unspecifiedQ40.8Other specified congenital malformations of upper alimentary tractQ40.9Congenital malformation of upper alimentary tract, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for Q40.
Code first
No “code first” instruction is listed for Q40.
Use additional code
No “use additional code” instruction is listed for Q40.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Q40.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Q40.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code Q40 mean?
Q40 is the FY 2027 U.S. ICD-10-CM code for “Other congenital malformations of upper alimentary tract.”
Is Q40 a billable or specific ICD-10-CM code?
No. Q40 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is Q40 located in ICD-10-CM?
Q40 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Other congenital malformations of the digestive system (Q38-Q45) (Q38–Q45), under category Q40, Other congenital malformations of upper alimentary tract.
What coding notes are listed for Q40?
No inclusion terms are listed for Q40 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.