ICD-10-CM FY2027 diagnosis code

Q40: Other congenital malformations of upper alimentary tract

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

Q40 groups related diagnoses under other congenital malformations of upper alimentary tract. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under Q40

Q40 questions

Is Q40 a billable code?

No. Q40 is a header code that groups 6 more specific codes. Use one of the billable codes listed on this page instead.

What does Q40 mean?

Q40 is the ICD-10-CM code for Other congenital malformations of upper alimentary tract. It is in chapter 17, Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.