ICD-10-CM › Chapter 11 Diseases of the digestive system › K20-K31
K20-K31 - Diseases of esophagus, stomach and duodenum
136 ICD-10-CM codes sit in this section, of which 106 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 136 codes
- 106 billable FY2027
- 30 not billable, retired or subdivided
- 11 categories
Categories
Each of these is a three-character category. Most are not billable on their own - the billable code is one of the children listed on its page.
| Code | Description | Status |
|---|---|---|
| K20 | Esophagitis | Not billable |
| K21 | Gastro-esophageal reflux disease | Not billable |
| K22 | Other diseases of esophagus | Not billable |
| K23 | Disorders of esophagus in diseases classified elsewhere | Valid |
| K25 | Gastric ulcer | Not billable |
| K26 | Duodenal ulcer | Not billable |
| K27 | Peptic ulcer, site unspecified | Not billable |
| K28 | Gastrojejunal ulcer | Not billable |
| K29 | Gastritis and duodenitis | Not billable |
| K30 | Functional dyspepsia | Valid |
| K31 | Other diseases of stomach and duodenum | Not billable |
Or browse all ICD-10-CM codes by first character, check a list of codes with the batch validity checker, or see what changed in each release.