Q45.9

Q45.9: Congenital malformation of digestive system, unspecified

Billable / specific codeICD-10-CMPOA exempt

Q45.9 is a billable, specific ICD-10-CM code for congenital malformation of digestive system, unspecified. It is valid for submission on a claim.

Check Q45.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Congenital anomaly of digestive system
Congenital deformity of digestive system

Excludes2 inherited from the categories above Q45.9

Not part of this code, but both may be coded when both are present.

Written on Q45: Other congenital malformations of digestive system

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q45.9 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

Anomaly, anomalous›alimentary tract
Anomaly, anomalous›digestive organ or tract(s)
Anomaly, anomalous›gastrointestinal tract
Anomaly, anomalous›mesentery
Deformity›alimentary tract, congenital
Deformity›digestive organ NOS
Deformity›gastrointestinal tract NOS(congenital)
Malformation›alimentary tract

Code history

Unchanged in every release from FY2024 to FY2027.