MCMedicalCodingSoftware
K22.1

K22.1: Ulcer of esophagus

Non-billable headerICD-10-CM

K22.1 is a non-billable header ICD-10-CM code for ulcer of esophagus. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • Barrett's esophagus (K22.7-)

Code first

The underlying condition must be sequenced before this code.

  • poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code

Add a secondary code to capture the detail described below.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Barrett's ulcer
  • Erosion of esophagus
  • Fungal ulcer of esophagus
  • Peptic ulcer of esophagus
  • Ulcer of esophagus due to ingestion of chemicals
  • Ulcer of esophagus due to ingestion of drugs and medicaments
  • Ulcerative esophagitis

Excludes2 inherited from the categories above K22.1

Not part of this code, but both may be coded when both are present.

Written on K22: Other diseases of esophagus

  • esophageal varices (I85.-)

Other codes that can never be billed with K22.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K22.1

2 child codes. Green means billable.

Other codes under K22

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.