K28
Gastrojejunal ulcer
K28 is a non-billable ICD-10-CM code category for gastrojejunal ulcer. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are 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 and 5 more. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 9 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
- code to identify:
- alcohol abuse and dependence (F10.-)
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- primary ulcer of small intestine (K63.3)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (9 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Includes
Further defines or gives 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
More specific codes under K28 9
- K28.0Acute gastrojejunal ulcer with hemorrhageBillable
- K28.1Acute gastrojejunal ulcer with perforationBillable
- K28.2Acute gastrojejunal ulcer with both hemorrhage and perforationBillable
- K28.3Acute gastrojejunal ulcer without hemorrhage or perforationBillable
- K28.4Chronic or unspecified gastrojejunal ulcer with hemorrhageBillable
- K28.5Chronic or unspecified gastrojejunal ulcer with perforationBillable
- K28.6Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforationBillable
- K28.7Chronic gastrojejunal ulcer without hemorrhage or perforationBillable
- K28.9Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforationBillable