K26.3
✓ Billable
Acute duodenal ulcer without hemorrhage or perforation
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K26.3
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code K26.3?
ICD-10-CM code K26.3 represents Acute duodenal ulcer without hemorrhage or perforation. It is a billable diagnosis code in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K26.3 billable?
Yes. K26.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is K26.3 in?
K26.3 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K26 category
K26
Duodenal ulcer
Non-billable
K26.0
Acute duodenal ulcer with hemorrhage
Billable
K26.1
Acute duodenal ulcer with perforation
Billable
K26.2
Acute duodenal ulcer with both hemorrhage and perforation
Billable
K26.4
Chronic or unspecified duodenal ulcer with hemorrhage
Billable
K26.5
Chronic or unspecified duodenal ulcer with perforation
Billable
K26.6
Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
Billable
K26.7
Chronic duodenal ulcer without hemorrhage or perforation
Billable
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