K26 DUODENAL ULCER

Code Information

  • Diagnosis Code: K26
  • Short Description: Duodenal ulcer
  • Long Description: Duodenal ulcer
  • Code Version: 2025 ICD-10-CM

The code K26 is NOT VALID for claim submission

Code Classification

References to Index of Diseases and Injuries

The code K26 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Includes Notes:
    • erosion (acute) of duodenum
    • duodenum ulcer (peptic)
    • postpyloric ulcer (peptic)
  • Type 1 Excludes Notes:
    • peptic ulcer NOS (@K27*.-)

Similar Codes

ICD-10 Code ICD-10 Description
K26.0 Acute duodenal ulcer with hemorrhage
K26.1 Acute duodenal ulcer with perforation
K26.2 Acute duodenal ulcer with both hemorrhage and perforation
K26.3 Acute duodenal ulcer without hemorrhage or perforation
K26.4 Chronic or unspecified duodenal ulcer with hemorrhage
K26.5 Chronic or unspecified duodenal ulcer with perforation
K26.6 Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
K26.7 Chronic duodenal ulcer without hemorrhage or perforation
K26.9 Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
This page was last updated on: 10/1/2025
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