Q45.9

Congenital malformation of digestive system, unspecified

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q45.9
Synonyms

Congenital anomaly of digestive system Congenital deformity of digestive system

Inherited from Q45Other congenital malformations of digestive system
Excludes 2

congenital diaphragmatic hernia (Q79.0) congenital hiatus hernia (Q40.1)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q45.9

FY 2026 ›

Sections that reference Q45.9

Sections whose FY 2026 text names Q45.9, its Q45 category, or a range containing it — the chapter guidance above is the authoritative source.