K20 Esophagitis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Esophagitis is K20 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
K20-K31: Diseases of esophagus, stomach and duodenum (K20-K31)
Category K20
8 codes (5 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with K20.
  • erosion of esophagus (K22.1-)
  • esophagitis with gastro-esophageal reflux disease (K21.0-)
  • reflux esophagitis (K21.0-)
  • ulcerative esophagitis (K22.1-)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • eosinophilic gastritis or gastroenteritis (K52.81)
Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)

Official Coding Guidelines

Chapter 11 reserved for future expansion

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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.11

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

References

Cite This Page

Reference K20 with the canonical source and edition:

K20 — Esophagitis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/K20

Canonical URL: https://icd10codingpro.com/codes/K20

Related Codes

More Specific Codes

K20.0 Eosinophilic esophagitis K20.8 Other esophagitis K20.9 Esophagitis, unspecified

All Codes in K20

Every most-specific code under K20 Esophagitis (5 codes):

Show the complete K20 code list
K20.0 Eosinophilic esophagitis K20.80 Other esophagitis without bleeding K20.81 Other esophagitis with bleeding K20.90 Esophagitis, unspecified without bleeding K20.91 Esophagitis, unspecified with bleeding
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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