K27Header code — not billable
Peptic ulcer, site unspecified
- Chapter
- 11. Diseases of the digestive system
- Category
- K27
- Effective date
- October 1, 2026
Related codes in category K27
K27.0Acute peptic ulcer, site unspecified, with hemorrhageYesK27.1Acute peptic ulcer, site unspecified, with perforationYesK27.2Acute peptic ulcer, site unsp, w both hemorrhage and perfYesK27.3Acute peptic ulcer, site unsp, w/o hemorrhage or perforationYesK27.4Chronic or unsp peptic ulcer, site unsp, with hemorrhageYesK27.5Chronic or unsp peptic ulcer, site unsp, with perforationYesK27.6Chr or unsp peptic ulcer, site unsp, w both hemor and perfYesK27.7Chronic peptic ulcer, site unsp, w/o hemorrhage or perfYesK27.9Peptic ulc, site unsp, unsp as ac or chr, w/o hemor or perfYes
Frequently asked questions
What is ICD-10 code K27?
K27 is an ICD-10-CM diagnosis code for Peptic ulcer, site unspecified.
Is K27 a billable code?
No. K27 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is K27 in?
K27 falls under Chapter 11: Diseases of the digestive system.
When did K27 become effective?
K27 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to K27?
K27 belongs to category K27, which includes 9 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.