K28 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Gastrojejunal ulcer.
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Anastomotic ulcer (peptic) or erosion
Gastrocolic ulcer (peptic) or erosion
Gastrointestinal ulcer (peptic) or erosion
Gastrojejunal ulcer (peptic) or erosion
Jejunal ulcer (peptic) or erosion
Marginal ulcer (peptic) or erosion
Stomal ulcer (peptic) or erosion
Code to identify:
Alcohol abuse and dependence (F10.-)
Primary ulcer of small intestine (K63.3)
Acute gastrojejunal ulcer with hemorrhage
Acute gastrojejunal ulcer with perforation
Acute gastrojejunal ulcer with both hemorrhage and perforation
Acute gastrojejunal ulcer without hemorrhage or perforation
Chronic or unspecified gastrojejunal ulcer with hemorrhage
Chronic or unspecified gastrojejunal ulcer with perforation
Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
Chronic gastrojejunal ulcer without hemorrhage or perforation
Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
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