2026 ICD-10-CM Diagnosis Code Q39.8Other congenital malformations of esophagus

ICD-10-CM Codes›Q00-Q99›Q38-Q45›Q39

ICD-10-CM Q39.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q39.8 is a billable ICD-10-CM diagnosis code for other congenital malformations of esophagus. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 368 through 370. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Digestive congenital anomalies.

Code Identity

ICD-10-CM Code
Q39.8
Billable Status
Yes — Valid for Submission
Code Describes
Other congenital malformations of esophagus
Short Description
Other congenital malformations of esophagus
Same as the full description in the CMS dataset.
Parent Code
Q39
Congenital malformations of esophagus

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ38-Q45Other congenital malformations of the digestive system
CategoryQ39Congenital malformations of esophagus
This CodeQ39.8Other congenital malformations of esophagus

Present on Admission (POA)Billing

Q39.8 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Agenesis of esophagus
  • Chalasia of lower esophageal sphincter
  • Compression of esophagus
  • Congenital absence of esophagus
  • Congenital brachyesophagus, intrathoracic stomach, vertebral anomalies syndrome
  • Congenital chalasia of esophagus
  • Congenital cyst of esophagus
  • Congenital diaphragmatic hernia
  • Congenital displacement of esophagus
  • Congenital displacement of stomach
  • Congenital duplication of esophagus
  • Congenital short esophagus
  • Congenital tubular duplication of esophagus
  • Ectopic artery
  • Esophageal duplication cyst
  • Vascular compression of esophagus by aberrant artery

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Congenital absence of esophagus
  • Congenital displacement of esophagus
  • Congenital duplication of esophagus

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Absence(of) (organ or part) (complete or partial)
      • esophagus (congenital)
    • Agenesis
      • esophagus
    • Cyst(colloid) (mucous) (simple) (retention)
      • congenital NEC
        • esophagus
    • Displacement, displaced
      • esophageal mucosa into cardia of stomach, congenital
    • Displacement, displaced
      • esophagus (acquired)
        • congenital
    • Duplication, duplex
      • esophagus
    • Fusion, fused(congenital)
      • trachea and esophagus
    • Hypoplasia, hypoplastic
      • esophagus (congenital)
    • Malformation(congenital)
      • esophagus
        • specified type NEC
    • Short, shortening, shortness
      • esophagus (congenital)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL002
Digestive congenital anomalies
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Congenital Diaphragmatic Hernia

    diaphragmatic hernia that is present at birth.

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?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

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

Convert Q39.8 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
750.4 Esophageal anomaly NEC
Approximate The match is approximate rather than exact.

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 Q39.8Overview

Is Q39.8 (Congenital malformations of esophagus) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other congenital malformations of esophagus on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q39.8 group to?

When other congenital malformations of esophagus is the principal diagnosis on an inpatient stay, it groups to MS-DRG 368, 369, 370, with relative weights from 0.7008 to 1.5919 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q39.8 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for other congenital malformations of esophagus on inpatient claims.

What is the ICD-9 equivalent of Q39.8?

Under the General Equivalence Mappings, other congenital malformations of esophagus converts to ICD-9-CM 750.4 (esophageal anomaly NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.