K22.1
Ulcer of esophagus
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 never code together
K00-K95chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 9
K22.1code
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
Code first
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 9 same parent — K22
K22.0 Achalasia of cardia K22.2 Esophageal obstruction K22.3 Perforation of esophagus K22.4 Dyskinesia of esophagus K22.5 Diverticulum of esophagus, acquired K22.6 Gastro-esophageal laceration-hemorrhage syndrome K22.7 Barrett's esophagus category K22.8 Other specified diseases of esophagus category K22.9 Disease of esophagus, unspecified
Subordinate codes 2
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.