2026 ICD-10-CM Diagnosis Code Q43Other congenital malformations of intestine

ICD-10-CM Codes›Q00-Q99›Q38-Q45›Q43

ICD-10-CM Q43
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q43 is a non-billable ICD-10-CM category code for other congenital malformations of intestine, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q43.0, Q43.1, Q43.2, and Q43.3.

Code Identity

ICD-10-CM Code
Q43
Billable Status
No — Non-Billable Category
Code Describes
Other congenital malformations of intestine
Chapter
Q38-Q45
Other congenital malformations of the digestive system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ38-Q45Other congenital malformations of the digestive system
CategoryQ43Other congenital malformations of intestine
This CodeQ43Other congenital malformations of intestine

Specific Coding for Other congenital malformations of intestineOverview

Non-specific codes like Q43 require more characters. Use one of these billable codes instead:

  • Use Q43.0 for Meckel's diverticulum (displaced) (hypertrophic)

  • Use Q43.1 for Hirschsprung's disease

  • Use Q43.2 for Other congenital functional disorders of colon

  • Use Q43.3 for Congenital malformations of intestinal fixation

  • Use Q43.4 for Duplication of intestine

  • Use Q43.5 for Ectopic anus

  • Use Q43.6 for Congenital fistula of rectum and anus

  • Use Q43.7 for Persistent cloaca

  • Use Q43.8 for Other specified congenital malformations of intestine

  • Use Q43.9 for Congenital malformation of intestine, unspecified

Patient EducationClinical

Birth Defects

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
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Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q43Overview

Is Q43 (Other congenital malformations of intestine) a billable code?

No. This is a category header that groups the codes for other congenital malformations of intestine, and headers cannot be submitted on claims. Claims for other congenital malformations of intestine need a more specific code from this category, such as Q43.0, Q43.1, and Q43.2.