ICD10BillableValid for clinical use

ICD-10 Code Q45.8: Other specified congenital malformations of digestive system

Q45.8 is a billable ICD-10 diagnosis code used to classify Other specified congenital malformations of digestive system in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0).

When is it used?

  • May be used when a clinician documents other specified congenital malformations of digestive system in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
17Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
block
Q38-Q45Other congenital malformations of the digestive system
category
Q45Other congenital malformations of digestive system
currentQ45

Official coding notes

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

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Gastroenterologist

Coverage-related procedures and services

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Q45.8

Common synonyms

Other specified congenital malformations of digestive system

Frequently asked questions

Code details

CodeQ45.8
SystemICD10
Display nameOther specified congenital malformations of digestive system
ChapterCongenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
BlockOther congenital malformations of the digestive system

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Absence(of) (organ or part) (complete or partial)Absence(of) (organ or part) (complete or partial)AgenesisAgenesisAtresia, atreticAtresia, atreticCyst(colloid) (mucous) (simple) (retention)Duplication, duplexDuplication, duplexEctopic, ectopia(congenital)ExstrophyHydromphalos(since birth)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Q45.8 for Other specified congenital malformations of digestive system | HealthAssure