Duodenal ulcer (K26)

• ICD-10 Index

  • Diseases of the digestive system (K00–K93)

    • Diseases of esophagus, stomach and duodenum (K20-K31)

      • Duodenal ulcer (K26)

        • K26 - Duodenal ulcer NON-BILLABLE CODE
        • K26.0 - Acute duodenal ulcer with hemorrhage BILLABLE CODE
        • K26.1 - Acute duodenal ulcer with perforation BILLABLE CODE
        • K26.2 - Acute duodenal ulcer with both hemorrhage and perforation BILLABLE CODE
        • K26.3 - Acute duodenal ulcer without hemorrhage or perforation BILLABLE CODE
        • K26.4 - Chronic or unspecified duodenal ulcer with hemorrhage BILLABLE CODE
        • K26.5 - Chronic or unspecified duodenal ulcer with perforation BILLABLE CODE
        • K26.6 - Chronic or unsp duodenal ulcer w both hemorrhage and perf BILLABLE CODE
        • K26.7 - Chronic duodenal ulcer without hemorrhage or perforation BILLABLE CODE
        • K26.9 - Duodenal ulcer, unsp as acute or chronic, w/o hemor or perf BILLABLE CODE

Clinical Information for Duodenal ulcer (K26)

Duodenal Ulcer - A PEPTIC ULCER located in the DUODENUM.

Essential Tremor - A relatively common disorder characterized by a fairly specific pattern of tremors which are most prominent in the upper extremities and neck, inducing titubations of the head. The tremor is usually mild, but when severe may be disabling. An autosomal dominant pattern of inheritance may occur in some families (i.e., familial tremor). (Mov Disord 1988;13(1):5-10)

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

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

Use Additional Code Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

• code to identify:
• alcohol abuse and dependence F10

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

• peptic ulcer NOS K27