ICD-10-CM › K00-K95 › K20-K31 › K26 Duodenal ulcer › K26.1
Acute duodenal ulcer with perforation
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Acute duodenal ulcer with perforation
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from K26 Duodenal ulcer
Excludes1 - never coded here
- peptic ulcer NOS (K27.-)
Use additional code
- code to identify:
- alcohol abuse and dependence (F10.-)
Includes
- erosion (acute) of duodenum
- duodenum ulcer (peptic)
- postpyloric ulcer (peptic)
Inherited from the K20-K31 section Diseases of esophagus, stomach and duodenum (K20-K31)
Excludes2 - not included here
- hiatus hernia (K44.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Ulcus > duodeni
- Duodenitis > erosive
- Erosion > duodenum, postpyloric
- Hemorrhage, hemorrhagic > duodenum, duodenal > ulcer
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > bowel
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > cecum
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > colon
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > ileum
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > sigmoid
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > postpyloric
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > intestine, intestinal > duodenal
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > duodenum, duodenal > acute > with > perforation
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K26.0 | Acute duodenal ulcer with hemorrhage | Valid |
| K26.2 | Acute duodenal ulcer with both hemorrhage and perforation | Valid |
| K26.3 | Acute duodenal ulcer without hemorrhage or perforation | Valid |
| K26.4 | Chronic or unspecified duodenal ulcer with hemorrhage | Valid |
| K26.5 | Chronic or unspecified duodenal ulcer with perforation | Valid |
| K26.6 | Chronic or unspecified duodenal ulcer with both hemorrhage and perforation | Valid |
| K26.7 | Chronic duodenal ulcer without hemorrhage or perforation | Valid |
| K26.9 | Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation | Valid |