K26.3
Acute duodenal ulcer without hemorrhage or perforation
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 10 never code together
K00-K95chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 5
Index entries leading here 1
Alongside this code 8 same parent — 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 K26.4 Chronic or unspecified duodenal ulcer with hemorrhage K26.5 Chronic or unspecified duodenal ulcer with perforation K26.6 Chronic or unsp duodenal ulcer w both hemorrhage and perf K26.7 Chronic duodenal ulcer without hemorrhage or perforation K26.9 Duodenal ulcer, unsp as acute or chronic, w/o hemor or perf
Medications 2
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.