Q40
Other congenital malformations of upper alimentary tract
Q40 is a non-billable ICD-10-CM code category for other congenital malformations of upper alimentary tract. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q40.0 Congenital hypertrophic pyloric stenosis; Q40.1 Congenital hiatus hernia; Q40.2 Other specified congenital malformations of stomach; Q40.3 Congenital malformation of stomach, unspecified and 2 more. Its coding notes include 1 Excludes2 entry.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
More specific codes under Q40 6
- Q40.0Congenital hypertrophic pyloric stenosisBillable
- Q40.1Congenital hiatus herniaBillable
- Q40.2Other specified congenital malformations of stomachBillable
- Q40.3Congenital malformation of stomach, unspecifiedBillable
- Q40.8Other specified congenital malformations of upper alimentary tractBillable
- Q40.9Congenital malformation of upper alimentary tract, unspecifiedBillable