K22.2 Esophageal obstruction

The ICD-10-CM code for Esophageal obstruction is K22.2 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

11: Diseases of the digestive system (K00-K95)

Section

K20-K31: Diseases of esophagus, stomach and duodenum (K20-K31)

Category K22

21 codes (16 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K22.2:

• Schatzki's ring (acquired) (esophagus) (lower)
• Esophagostenosis
• Obstruction, obstructed, obstructive › cardia
• Ring (s) › esophageal, lower (muscular)
• Obstruction, obstructed, obstructive › esophagus
• Constriction › esophagus
• Cicatrix (adherent) (contracted) (painful) (vicious) › esophagus
• Compression › esophagus

Inclusion Terms

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

U.S. Hospital Utilization

• An estimated 110,680 U.S. inpatient stays in 2023 included K22.2 among the documented diagnoses.
• 11,650 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)