ICD-10-CM · Chapter 11 · K00-K95
K20 Esophagitis
Excludes 1 (cannot be coded together)
- erosion of esophagus (K22.1-)
- esophagitis with gastro-esophageal reflux disease (K21.0-)
- reflux esophagitis (K21.0-)
- ulcerative esophagitis (K22.1-)
Excludes 2 (not included here)
- eosinophilic gastritis or gastroenteritis (K52.81)
Use Additional Code
- code to identify:
- alcohol abuse and dependence (F10.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| K20..0 | Eosinophilic esophagitis | Yes |
| K20..8 | Other esophagitis | No |
| K20..80 | Other esophagitis without bleeding | Yes |
| K20..81 | Other esophagitis with bleeding | Yes |
| K20..9 | Esophagitis, unspecified | No |
| K20..90 | Esophagitis, unspecified without bleeding | Yes |
| K20..91 | Esophagitis, unspecified with bleeding | Yes |
Last reviewed: September 2026