MCMedicalCodingSoftware
Q45.8

Q45.8: Other specified congenital malformations of digestive system

Billable / specific codeICD-10-CMPOA exempt

Q45.8 is a billable, specific ICD-10-CM code for other specified congenital malformations of digestive system. It is valid for submission on a claim.

Check Q45.8 with the rest of the claim: free scrubber

Inclusion terms

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

  • Absence (complete) (partial) of alimentary tract NOS
  • Duplication of digestive system
  • Malposition, congenital of digestive system

Excludes2 inherited from the categories above Q45.8

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

Q45.8 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

  • Hydromphalos(since birth)
  • Absence›alimentary tract(congenital)
  • Absence›digestive organ or tract, congenital(s)
  • Agenesis›alimentary tract NEC(complete) (partial)
  • Agenesis›digestive organ NEC(s) or tract (complete) (partial)
  • Atresia, atretic›alimentary organ or tract NEC
  • Atresia, atretic›digestive organs NEC
  • Duplication, duplex›alimentary tract
  • Duplication, duplex›digestive organs
  • Ectopic, ectopia›abdominal viscera
  • Exstrophy›abdominal contents
  • Hypoplasia, hypoplastic›alimentary tract, congenital

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q45

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.