ICD-10-CM category
K26: Duodenal ulcer
Codes under K26 (Duodenal ulcer). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K26.0 | Acute duodenal ulcer with hemorrhage | ✓ |
| K26.1 | Acute duodenal ulcer with perforation | ✓ |
| K26.2 | Acute duodenal ulcer with both hemorrhage and perforation | ✓ |
| K26.3 | Acute duodenal ulcer without hemorrhage or perforation | ✓ |
| K26.4 | Chronic or unspecified duodenal ulcer with hemorrhage | ✓ |
| K26.5 | Chronic or unspecified duodenal ulcer with perforation | ✓ |
| K26.6 | Chronic or unspecified duodenal ulcer with both hemorrhage and perforation | ✓ |
| K26.7 | Chronic duodenal ulcer without hemorrhage or perforation | ✓ |
| K26.9 | Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation | ✓ |
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free