ICD-10-CM · Chapter 17 · Q00-QA1
Q40 Other congenital malformations of upper alimentary tract
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Q40..0 | Congenital hypertrophic pyloric stenosis | Yes |
| Q40..1 | Congenital hiatus hernia | Yes |
| Q40..2 | Other specified congenital malformations of stomach | Yes |
| Q40..3 | Congenital malformation of stomach, unspecified | Yes |
| Q40..8 | Other specified congenital malformations of upper alimentary tract | Yes |
| Q40..9 | Congenital malformation of upper alimentary tract, unspecified | Yes |
Last reviewed: September 2026