Q40
ICD-10Non-billable categoryOther congenital malformations of upper alimentary tract
Official ICD-10-CM descriptor (FY2026)
Other congenital malformations of upper alimentary tract
Q40 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
More specific 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
- Q40.8Oth congenital malformations of upper alimentary tract
- Q40.9Congenital malformation of upper alimentary tract, unsp
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.