Q40.9
✓ Billable
Congenital malformation of upper alimentary tract, unspecified
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q40.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q40.9?
ICD-10-CM code Q40.9 represents Congenital malformation of upper alimentary tract, unspecified. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q40.9 billable?
Yes. Q40.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Q40.9 in?
Q40.9 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q40 category
Q40
Other congenital malformations of upper alimentary tract
Non-billable
Q40.0
Congenital hypertrophic pyloric stenosis
Billable
Q40.1
Congenital hiatus hernia
Billable
Q40.2
Other specified congenital malformations of stomach
Billable
Q40.3
Congenital malformation of stomach, unspecified
Billable
Q40.8
Other specified congenital malformations of upper alimentary tract
Billable
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