K22.1
Ulcer of esophagus
K22.1 is a non-billable ICD-10-CM code header for ulcer of esophagus. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K22.10 Ulcer of esophagus without bleeding and K22.11 Ulcer of esophagus with bleeding. Its coding notes include a Code first instruction, a Use additional code instruction, 1 Excludes1 entry and 10 Excludes2 entries.
Code first
If the underlying condition listed here is present and known, sequence it first.
- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Use additional code
Add the listed code as a secondary code, if known.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- Barrett's esophagus (K22.7-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (9 notes)
- 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)
Inclusion terms
Conditions classified to this 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