2026 ICD-10-CM Diagnosis Code K22.2Esophageal obstruction

ICD-10-CM Codes›K00–K95›K20-K31›K22

ICD-10-CM K22.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K22.2 is a billable ICD-10-CM diagnosis code for esophageal obstruction. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 391 through 392. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Esophageal disorders.

Code Identity

ICD-10-CM Code
K22.2
Billable Status
Yes — Valid for Submission
Code Describes
Esophageal obstruction
Short Description
Esophageal obstruction
Same as the full description in the CMS dataset.
Parent Code
K22
Other diseases of esophagus

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK20-K31Diseases of esophagus, stomach and duodenum
CategoryK22Other diseases of esophagus
This CodeK22.2Esophageal obstruction

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Benign esophageal stricture
  • Compression of esophagus
  • Compression of trachea
  • Compression of trachea and esophagus co-occurrent and due to congenital anomaly of aortic arch
  • Corrosive stricture of esophagus
  • Drug-induced stricture of esophagus
  • Esophageal anastomotic stricture
  • Esophageal body web
  • Esophageal web
  • Esophageal web / ring
  • Esophagogastric junction outflow obstruction
  • Infective stricture of esophagus
  • Lower esophageal muscular ring
  • Lower esophageal ring
  • Lower esophageal stenosis due to erosive gastro-esophageal reflux disease
  • Malignant esophageal stricture
  • Obstruction of esophagus
  • Peptic stricture of esophagus
  • Primary chronic pseudo-obstruction of esophagus
  • Primary chronic pseudo-obstruction of gastrointestinal tract
  • Stricture of anastomosis of gastrointestinal tract
  • Stricture of esophagus
  • Stricture of esophagus caused by radiation
  • Terminal esophageal web
  • Thoracic choke

Tabular List NotesGuidance

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

Inclusion Terms

  • Compression of esophagus
  • Constriction of esophagus
  • Stenosis of esophagus
  • Stricture of esophagus

Type 1 Excludes

  • congenital stenosis or stricture of esophagus Q39.3

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.

    • Cicatrix(adherent) (contracted) (painful) (vicious)
      • esophagus
    • Compression
      • esophagus
    • Constriction
      • esophagus
    • Esophagostenosis
    • Obstruction, obstructed, obstructive
      • cardia
    • Obstruction, obstructed, obstructive
      • esophagus
    • Ring(s)
      • esophageal, lower (muscular)
    • Ring(s)
      • Schatzki's (esophagus) (lower)
    • Schatzki's ring(acquired) (esophagus) (lower)
    • Stenosis, stenotic(cicatricial)
      • cardia (stomach)
    • Stenosis, stenotic(cicatricial)
      • esophagus
    • Stricture
      • cardia (stomach)
    • Stricture
      • cardiac
        • orifice (stomach)
    • Stricture
      • esophagus

Clinical ClassificationClinical

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

CCSR DIG004
Esophageal disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Esophageal Web

    a thin membrane that is present in the esophageal lumen. it is composed of mucosa and submucosa and it may be associated with plummer-vinson syndrome.

  • Esophageal Anastomotic Stricture

    luminal narrowing at the site of surgical resection and reconstruction of the esophagus.

  • Recurrent Esophageal Anastomotic Stricture

    recurrence of an esophageal anastomotic stricture following therapeutic dilation.

  • Refractory Esophageal Anastomotic Stricture

    esophageal anastomotic stricture that remains narrowed despite repeated therapeutic dilations.

Patient EducationClinical

Esophagus Disorders

The esophagus is the muscular tube that carries food and liquids from your mouth to the stomach. You may not be aware of your esophagus until you swallow something too large, too hot, or too cold. You may also notice it when something is wrong. You may feel pain or have trouble swallowing.

Read the full article at MedlinePlus

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

Convert K22.2 to ICD-9-CMHistory

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

ICD-9-CM
530.3 Esophageal stricture
Exact Match The mapping is direct, with no qualifiers.

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 K22.2Overview

Is K22.2 (Other diseases of esophagus) a billable code?

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

What MS-DRG does K22.2 group to?

When esophageal obstruction is the principal diagnosis on an inpatient stay, it groups to MS-DRG 391, 392, with relative weights from 0.7796 to 1.2683 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of K22.2?

Under the General Equivalence Mappings, esophageal obstruction converts to ICD-9-CM 530.3 (esophageal stricture). The mapping is a direct match.

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.