K28: Gastrojejunal ulcer
Codes under K28 (Gastrojejunal ulcer). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K28.0 | Acute gastrojejunal ulcer with hemorrhage | ✓ |
| K28.0 | Acute gastrojejunal ulcer with hemorrhage | ✓ |
| K28.1 | Acute gastrojejunal ulcer with perforation | ✓ |
| K28.1 | Acute gastrojejunal ulcer with perforation | ✓ |
| K28.2 | Acute gastrojejunal ulcer with both hemorrhage and perforation | ✓ |
| K28.2 | Acute gastrojejunal ulcer with both hemorrhage and perforation | ✓ |
| K28.3 | Acute gastrojejunal ulcer without hemorrhage or perforation | ✓ |
| K28.3 | Acute gastrojejunal ulcer without hemorrhage or perforation | ✓ |
| K28.4 | Chronic or unspecified gastrojejunal ulcer with hemorrhage | ✓ |
| K28.4 | Chronic or unspecified gastrojejunal ulcer with hemorrhage | ✓ |
| K28.5 | Chronic or unspecified gastrojejunal ulcer with perforation | ✓ |
| K28.5 | Chronic or unspecified gastrojejunal ulcer with perforation | ✓ |
| K28.6 | Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation | ✓ |
| K28.6 | Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation | ✓ |
| K28.7 | Chronic gastrojejunal ulcer without hemorrhage or perforation | ✓ |
| K28.7 | Chronic gastrojejunal ulcer without hemorrhage or perforation | ✓ |
| K28.9 | Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation | ✓ |
| K28.9 | Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation | ✓ |
Frequently asked questions
What is ICD-10-CM code K28?
K28 is an ICD-10-CM category covering Gastrojejunal ulcer. It contains 18 more specific diagnosis codes, 18 of which are billable.
Is K28 a billable code?
No — K28 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example K28.0 — Acute gastrojejunal ulcer with hemorrhage). 18 of the 18 codes under K28 are billable.
What codes fall under K28?
K28 includes K28.0, K28.0, K28.1, K28.1, K28.2, plus 13 more. See the full list with descriptions and billable status above.
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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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