ICD-10-CM
ICD-10 code for Peptic ulcer: K27.9
The closest CDC title for "Peptic ulcer" is K27.9, Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation. K27.9 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under K27, then other CDC titles that name peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation
A header groups codes and is not billed. A billable code is one you can report.
- K27Peptic ulcer, site unspecifiedHeader
- K27.0Acute peptic ulcer, site unspecified, with hemorrhageBillable
- K27.1Acute peptic ulcer, site unspecified, with perforationBillable
- K27.2Acute peptic ulcer, site unspecified, with both hemorrhage and perforationBillable
- K27.3Acute peptic ulcer, site unspecified, without hemorrhage or perforationBillable
- K27.4Chronic or unspecified peptic ulcer, site unspecified, with hemorrhageBillable
- K27.5Chronic or unspecified peptic ulcer, site unspecified, with perforationBillable
- K27.6Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforationBillable
- K27.7Chronic peptic ulcer, site unspecified, without hemorrhage or perforationBillable
- K27.9Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforationBillable
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From K27. A note on a category applies to every code under it.
Use additional code to identify:
Excludes1
Excludes1 means these codes are not reported together.
From K27. A note on a category applies to every code under it.
Related conditions
Related pages
- K27.9 code detailsNotes, nearby codes, CMS-HCC group
- Category K27Every code under it
- Chapter 11Diseases of the digestive system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Peptic ulcer?
The closest CDC title for "Peptic ulcer" is K27.9, Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation. K27.9 is a billable code.
Is K27.9 billable?
Yes. K27.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to K27.9?
The CDC tabular list gives 1 Excludes1 note (not coded together), 2 "use additional code" notes for K27.9 and the categories above it. They are listed on this page.
What chapter is K27.9 in?
Chapter 11. Diseases of the digestive system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.