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	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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