ICD-10 Code
International Classification of Diseases, 10th Revision
Oct 17, 2017

See: Duodenal ulcer

K26 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Duodenal ulcer
Use Additional Code
  • alcohol abuse and dependence (F10.-)
  • code to identify:
Includes
  • duodenum ulcer (peptic)
  • erosion (acute) of duodenum
  • postpyloric ulcer (peptic)
Excludes1
  • peptic ulcer NOS (K27.-)

More specific codes for Duodenal ulcer

  • 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
Back to K26
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to K26 Duodenal ulcer

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.