K28
Non-billableGastrojejunal ulcer
K28 is the ICD-10-CM code for Gastrojejunal ulcer. It is a non-billable category code — use a more specific child code such as K28.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 9
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHA peptic ulcer is a sore in the lining of your stomach or your duodenum, the first part of your small intestine. A burning stomach pain is the most common symptom. The pain: Starts between meals or during the night Briefly stops if you eat or take antacids Lasts for minutes to hours Comes and goes for several days or weeks Peptic ulcers happen when the acids that help you digest food damage the walls of the stomach…
Read more about Peptic Ulcer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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
Excludes1 — not coded here
- •primary ulcer of small intestine (K63.3)
Use additional code
- •code to identify:
- •alcohol abuse and dependence (F10.-)
Frequently asked questions
- What is ICD-10 code K28?
- K28 is the ICD-10-CM code for "Gastrojejunal ulcer". It falls under K00-K95 Diseases of the digestive system.
- Is K28 a billable code?
- No — K28 is a non-billable header code. Use a more specific child code (such as K28.0) for billing.
- What is excluded from K28?
- Excludes1 (not coded here): primary ulcer of small intestine (K63.3).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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