2026 ICD-10-CM Diagnosis Code K22.4Dyskinesia of esophagus

ICD-10-CM Codes›K00–K95›K20-K31›K22

ICD-10-CM K22.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K22.4 is a billable ICD-10-CM diagnosis code for dyskinesia of esophagus. 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
K22.4
Billable Status
Yes — Valid for Submission
Code Describes
Dyskinesia of esophagus
Short Description
Dyskinesia of esophagus
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 CodeK22.4Dyskinesia of esophagus

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Complication following bariatric surgery
  • Diffuse spasm
  • Diffuse spasm of esophagus
  • Esophageal dysmotility
  • Esophageal dysmotility due to systemic disease
  • Esophageal dysmotility following bariatric surgery
  • Hypertensive lower esophageal sphincter
  • Hypertensive spasm of cardiac sphincter
  • Nonspecific esophageal motility disorder
  • Nutcracker esophagus
  • Palatoesophageal incoordination
  • Spastic disorder of smooth muscle segment of esophagus

Tabular List NotesGuidance

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

Inclusion Terms

  • Corkscrew esophagus
  • Diffuse esophageal spasm
  • Spasm of esophagus

Type 1 Excludes

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.

    • Bársony(-Polgár) (-Teschendorf) syndrome (corkscrew esophagus)
    • Corkscrew esophagus
    • Curling esophagus
    • Disease, diseased
      • esophagus
        • functional
    • Disorder(of)
      • esophagus
        • functional
    • Dyskinesia
      • esophagus
    • Dysphagia
      • spastica
    • Esophagismus
    • Esophagospasm
    • Nutcracker esophagus
    • Spasm(s), spastic, spasticity
      • esophagus (diffuse)
    • Syndrome
      • Barsony-Polgar
    • Syndrome
      • Barsony-Teschendorf

Clinical ClassificationClinical

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

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

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 K22.4 to ICD-9-CMHistory

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

ICD-9-CM
530.5 Dyskinesia of esophagus
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 K22.4Overview

Is K22.4 (Other diseases of esophagus) a billable code?

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

What MS-DRG does K22.4 group to?

When dyskinesia of esophagus 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 K22.4?

Under the General Equivalence Mappings, dyskinesia of esophagus converts to ICD-9-CM 530.5 (dyskinesia of esophagus). 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.