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K26

Duodenal ulcer

• erosion (acute) of duodenum
• duodenum ulcer (peptic)
• postpyloric ulcer (peptic)

• peptic ulcer NOS (K27.-)

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