K27.9
Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 8 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
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 4
Index entries leading here 2
Alongside this code 8 same parent — K27
K27.0 Acute peptic ulcer, site unspecified, with hemorrhage K27.1 Acute peptic ulcer, site unspecified, with perforation K27.2 Acute peptic ulcer, site unsp, w both hemorrhage and perf K27.3 Acute peptic ulcer, site unsp, w/o hemorrhage or perforation K27.4 Chronic or unsp peptic ulcer, site unsp, with hemorrhage K27.5 Chronic or unsp peptic ulcer, site unsp, with perforation K27.6 Chr or unsp peptic ulcer, site unsp, w both hemor and perf K27.7 Chronic peptic ulcer, site unsp, w/o hemorrhage 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.