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K26 - Duodenal ulcer


The ICD 10 Code for Duodenal ulcer is listed as K26.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K26
Description: Duodenal ulcer
  • Includes: erosion (acute) of duodenum
  • duodenum ulcer (peptic)
  • postpyloric ulcer (peptic)
  • Use additional code to identify:
  • alcohol abuse and dependence (F10.-)
  • Excludes1: peptic ulcer NOS (K27.-)
Chapter Diseases of the digestive system (K00-K95)
ICD-10-CM Children (deeper level / typically more specific) of K26:
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