Q40
Header — not billableOther congenital malformations of upper alimentary tract
The ICD-10 code for other congenital malformations of upper alimentary tract is Q40.
Q40 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Q40
- Q40.0Congenital hypertrophic pyloric stenosis
- Q40.1Congenital hiatus hernia
- Q40.2Other specified congenital malformations of stomach
- Q40.3Congenital malformation of stomach, unspecified
- Q40.8Other specified congenital malformations of upper alimentary tract
- Q40.9Congenital malformation of upper alimentary tract, unspecified
Related codes in this category
- Q38Other congenital malformations of tongue, mouth and pharynxnon-billable header
- Q39Congenital malformations of esophagusnon-billable header
- Q41Congenital absence, atresia and stenosis of small intestinenon-billable header
- Q42Congenital absence, atresia and stenosis of large intestinenon-billable header
- Q43Other congenital malformations of intestinenon-billable header
- Q44Congenital malformations of gallbladder, bile ducts and livernon-billable header
- Q45Other congenital malformations of digestive systemnon-billable header
- Q40Other congenital malformations of upper alimentary tractnon-billable header