K25
Gastric ulcer
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 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 filed at null
No alphabetic index entry points at this code.
Subordinate codes 9
K25.0 Acute gastric ulcer with hemorrhage K25.1 Acute gastric ulcer with perforation K25.2 Acute gastric ulcer with both hemorrhage and perforation K25.3 Acute gastric ulcer without hemorrhage or perforation K25.4 Chronic or unspecified gastric ulcer with hemorrhage K25.5 Chronic or unspecified gastric ulcer with perforation K25.6 Chronic or unsp gastric ulcer w both hemorrhage and perf K25.7 Chronic gastric ulcer without hemorrhage or perforation K25.9 Gastric ulcer, unsp as acute or chronic, w/o hemor or perf
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.