Gastrojejunal ulcer (K28) ICD-10-CM
The K28 code range covers gastrojejunal ulcer with 10 ICD-10-CM diagnosis codes. 9 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- 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
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
- code to identify:
- alcohol abuse and dependence F10
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- primary ulcer of small intestine K63.3
Codes in the K28 Range 10 codes · 9 billable
- K28 Gastrojejunal ulcerNon-billable
- K28.0 Acute gastrojejunal ulcer with hemorrhage
- K28.1 Acute gastrojejunal ulcer with perforation
- K28.2 Acute gastrojejunal ulcer with both hemorrhage and perforation
- K28.3 Acute gastrojejunal ulcer without hemorrhage or perforation
- K28.4 Chronic or unspecified gastrojejunal ulcer with hemorrhage
- K28.5 Chronic or unspecified gastrojejunal ulcer with perforation
- K28.6 Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
- K28.7 Chronic gastrojejunal ulcer without hemorrhage or perforation
- K28.9 Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
About the K28 Code Range
The ICD-10 code K28 and its subcategories are used to classify various types of gastrojejunal ulcers, which affect the area where the stomach and jejunum connect. These codes cover ulcers whether they are acute or chronic, with detailed distinctions based on the presence of hemorrhage, perforation, both, or neither.
This section includes specific codes such as K28.0 for acute ulcers with hemorrhage, K28.1 for acute ulcers with perforation, and K28.2 for acute ulcers with both hemorrhage and perforation. For chronic or unspecified cases, codes like K28.4 through K28.7 differentiate based on similar complications. The code K28.9 addresses ulcers unspecified as acute or chronic and without hemorrhage or perforation. Common synonyms like “acute peptic ulcer with hemorrhage and obstruction” or “gastric anastomotic hemorrhage” align with these codes, aiding medical coders in selecting the precise ICD-10 code for gastrojejunal ulcer diagnoses. This classification assists healthcare professionals in accurately documenting and treating this specific gastrointestinal condition.
Questions About This Page
How many billable codes are in the K28 range?
Of the 10 codes in this range, 9 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the K28 range classify?
The range classifies gastrojejunal ulcer. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
