ICD-10-CM · Chapter 11 · K00-K95
K27 Peptic ulcer, site unspecified
Includes
- gastroduodenal ulcer NOS
- peptic ulcer NOS
Excludes 1 (cannot be coded together)
- peptic ulcer of newborn (P78.82)
Use Additional Code
- code to identify:
- alcohol abuse and dependence (F10.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| K27..0 | Acute peptic ulcer, site unspecified, with hemorrhage | Yes |
| K27..1 | Acute peptic ulcer, site unspecified, with perforation | Yes |
| K27..2 | Acute peptic ulcer, site unspecified, with both hemorrhage and perforation | Yes |
| K27..3 | Acute peptic ulcer, site unspecified, without hemorrhage or perforation | Yes |
| K27..4 | Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage | Yes |
| K27..5 | Chronic or unspecified peptic ulcer, site unspecified, with perforation | Yes |
| K27..6 | Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation | Yes |
| K27..7 | Chronic peptic ulcer, site unspecified, without hemorrhage or perforation | Yes |
| K27..9 | Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category K27:
- Peptic Ulcer — Úlcera péptica
Last reviewed: September 2026