K28 Gastrojejunal ulcer

Category / Non-billable header 9 subcodes

Block: Diseases of esophagus, stomach and duodenum (K20-K31)

Includes

  • 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

Excludes 1 (cannot be coded together)

  • primary ulcer of small intestine (K63.3)

Use Additional Code

  • code to identify:
  • alcohol abuse and dependence (F10.-)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K28..0 Acute gastrojejunal ulcer with hemorrhage Yes
K28..1 Acute gastrojejunal ulcer with perforation Yes
K28..2 Acute gastrojejunal ulcer with both hemorrhage and perforation Yes
K28..3 Acute gastrojejunal ulcer without hemorrhage or perforation Yes
K28..4 Chronic or unspecified gastrojejunal ulcer with hemorrhage Yes
K28..5 Chronic or unspecified gastrojejunal ulcer with perforation Yes
K28..6 Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation Yes
K28..7 Chronic gastrojejunal ulcer without hemorrhage or perforation Yes
K28..9 Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation Yes

Last reviewed: September 2026