ICD-10-CM Q40: Other congenital malformations of upper alimentary tract

ICD-10-CM Diagnosis Code (2025)

Official Description for Q40

Other congenital malformations of upper alimentary tract

Coding Notes & Guidelines for Q40

Excludes1: Not Coded Here

congenital diaphragmatic hernia (Q79.0)

Inclusion Terms
  • Congenital or infantile constriction
  • Congenital or infantile hypertrophy
  • Congenital or infantile spasm
  • Congenital or infantile stenosis
  • Congenital or infantile stricture
Inclusion Terms

Congenital displacement of cardia through esophageal hiatus

Inclusion Terms
  • Congenital displacement of stomach
  • Congenital diverticulum of stomach
  • Congenital hourglass stomach
  • Congenital duplication of stomach
  • Megalogastria
  • Microgastria
Inclusion Terms
  • Congenital anomaly of upper alimentary tract
  • Congenital deformity of upper alimentary tract

Child Codes (More Specific Codes for Q40):

About ICD-10-CM Code Q40 (Other congenital malformations of upper alimentary tract)

ICD-10-CM code Q40 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Q40 became effective on October 1, 2024.

This page provides detailed information about Q40 - Other congenital malformations of upper alimentary tract. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other congenital malformations of upper alimentary tract.