Duodenal ulcer
Non-billable header
K26 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes
- erosion (acute) of duodenum
- duodenum ulcer (peptic)
- postpyloric ulcer (peptic)
Excludes1
Not coded here — never report together with this code.
- peptic ulcer NOS (K27.-)
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- hiatus hernia (K44.-)
Use additional code
Add a code to identify the following, if applicable.
- code to identify:
- alcohol abuse and dependence (F10.-)
More specific codes K26
- K26.0Acute duodenal ulcer with hemorrhageBillable
- K26.1Acute duodenal ulcer with perforationBillable
- K26.2Acute duodenal ulcer with both hemorrhage and perforationBillable
- K26.3Acute duodenal ulcer without hemorrhage or perforationBillable
- K26.4Chronic or unspecified duodenal ulcer with hemorrhageBillable
- K26.5Chronic or unspecified duodenal ulcer with perforationBillable
- K26.6Chronic or unspecified duodenal ulcer with both hemorrhage and perforationBillable
- K26.7Chronic duodenal ulcer without hemorrhage or perforationBillable
- K26.9Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforationBillable
Related codes
- K20EsophagitisHeader
- K21Gastro-esophageal reflux diseaseHeader
- K22Other diseases of esophagusHeader
- K23Disorders of esophagus in diseases classified elsewhereBillable
- K25Gastric ulcerHeader
- K27Peptic ulcer, site unspecifiedHeader
- K28Gastrojejunal ulcerHeader
- K29Gastritis and duodenitisHeader
- K30Functional dyspepsiaBillable
- K31Other diseases of stomach and duodenumHeader