K28 ICD-10-CA category: Gastrojejunal ulcer
K28 isn’t a code on its own. Choose one of the 9 codes beneath it, the one the documentation supports.
Official description
K28Gastrojejunal ulcer
ICD-10-CA · Canada
Codes in K28
K28 isn’t a code on its own. Open the code that matches what the note documents.
K28.0Gastrojejunal ulcer, acute with haemorrhageK28.1Gastrojejunal ulcer, acute with perforationK28.2Gastrojejunal ulcer, acute with both haemorrhage and perforationK28.3Gastrojejunal ulcer, acute without haemorrhage or perforationK28.4Gastrojejunal ulcer, chronic or unspecified with haemorrhageK28.5Gastrojejunal ulcer, chronic or unspecified with perforationK28.6Gastrojejunal ulcer, chronic or unspecified with both haemorrhage and perforationK28.7Gastrojejunal ulcer, chronic without haemorrhage or perforationK28.9Gastrojejunal ulcer, unspecified as acute or chronic, without haemorrhage or perforationNotes for K28
As CIHI prints them, with any note K28 takes from the headings above it.
Includes
- Ulcer (peptic) or erosion:• anastomotic• gastrocolic• gastrointestinal• gastrojejunal• jejunal• marginal• stomal
Use additional code
Add a code for this detail when the note documents it.
- Use additional code to identify Helicobacter pylori (B98.0) if present.
Excludes
Conditions classified elsewhere.
- Primary ulcer of small intestine (K63.3)
- Hiatus hernia (K44.-)From K20-K31 Diseases of oesophagus, stomach and duodenum
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)
Where K28 sits
- 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
- 2Block K20-K31Diseases of oesophagus, stomach and duodenum
- 3Category K28Gastrojejunal ulcer
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is K28 a valid ICD-10-CA code?
No. K28 (Gastrojejunal ulcer) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 9 codes; record the one the documentation supports.
Where is K28 in ICD-10-CA?
K28 sits under K20-K31 Diseases of oesophagus, stomach and duodenum, within Chapter 11: Diseases of the digestive system (K00-K93).
What coding notes apply to K28?
ICD-10-CA lists Includes, Use additional code, Excludes notes for K28, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.