All ICD10 Codes

K28

Non-Billable
ChapterK00–K95
Rankcategory
Official Description

Gastrojejunal ulcer

Use a more specific code (9 billable)
K28.0Acute gastrojejunal ulcer with hemorrhageK28.1Acute gastrojejunal ulcer with perforationK28.2Acute gastrojejunal ulcer with both hemorrhage and perforationK28.3Acute gastrojejunal ulcer without hemorrhage or perforationK28.4Chronic or unspecified gastrojejunal ulcer with hemorrhageK28.5Chronic or unspecified gastrojejunal ulcer with perforationK28.6Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforationK28.7Chronic gastrojejunal ulcer without hemorrhage or perforationK28.9Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

K20-K31 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • hiatus hernia (K44.-)

Instructional Notes

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. Use a different code.)
  • primary ulcer of small intestine (K63.3)
Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K20-K31Diseases of esophagus, stomach and duodenum (K20-K31)
K28Gastrojejunal ulcerNot billable
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

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K28:

blockK20-K31
Diseases of esophagus, stomach and duodenum (K20-K31)
View context instructions
chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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