Coding and coverage · ICD-10-CM
K22.1 Ulcer of esophagus
Report one of the more specific codes below.
Codes under this one
Instructional notes
Chapter 11
Excludes2Not included here: the patient may have both; report both when both are present.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Section K20-K31
Excludes2Not included here: the patient may have both; report both when both are present.
- hiatus hernia (K44.-)
K22
Excludes2Not included here: the patient may have both; report both when both are present.
- esophageal varices (I85.-)
This code
Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
- Barrett's esophagus (K22.7-)
Code firstSequence the underlying condition first.
Use additional codeAdd a second code for the full picture.
Inclusion terms
- 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
Chapter 11: Diseases of the digestive system · K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31)
Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.
Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.