10ICD Code Hub

K22.1

Header — not billable

Ulcer of esophagus

The ICD-10 code for ulcer of esophagus is K22.1.

K22.1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Clinical notes

Code first

This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.

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

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • Barrett's esophagus (K22.7-)

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • 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

Use additional code

This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.

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

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under K22.1

Related codes in this category