2026 ICD-10-CM Diagnosis Code K25Gastric ulcer

ICD-10-CM Codes›K00–K95›K20-K31›K25

ICD-10-CM K25
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K25 is a non-billable ICD-10-CM category code for gastric ulcer, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K25.0, K25.1, K25.2, and K25.3.

Code Identity

ICD-10-CM Code
K25
Billable Status
No — Non-Billable Category
Code Describes
Gastric ulcer
Chapter
K20-K31
Diseases of esophagus, stomach and duodenum

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK20-K31Diseases of esophagus, stomach and duodenum
CategoryK25Gastric ulcer
This CodeK25Gastric ulcer

Specific Coding for Gastric ulcerOverview

Non-specific codes like K25 require more characters. Use one of these billable codes instead:

  • Use K25.0 for Acute gastric ulcer with hemorrhage

  • Use K25.1 for Acute gastric ulcer with perforation

  • Use K25.2 for Acute gastric ulcer with both hemorrhage and perforation

  • Use K25.3 for Acute gastric ulcer without hemorrhage or perforation

  • Use K25.4 for Chronic or unspecified gastric ulcer with hemorrhage

  • Use K25.5 for Chronic or unspecified gastric ulcer with perforation

  • Use K25.6 for Chronic or unspecified gastric ulcer with both hemorrhage and perforation

  • Use K25.7 for Chronic gastric ulcer without hemorrhage or perforation

  • Use K25.9 for Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • erosion (acute) of stomach
  • pylorus ulcer (peptic)
  • stomach ulcer (peptic)

Use Additional Code

  • code to identify:
  • alcohol abuse and dependence F10

Type 1 Excludes

  • acute gastritis K29.0
  • peptic ulcer NOS K27

Patient EducationClinical

Peptic Ulcer

A peptic ulcer is a sore in the lining of your stomach or your duodenum, the first part of your small intestine. A burning stomach pain is the most common symptom. The pain:

Read the full article at MedlinePlus

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K25Overview

Is K25 (Gastric ulcer) a billable code?

No. This is a category header that groups the codes for gastric ulcer, and headers cannot be submitted on claims. Claims for gastric ulcer need a more specific code from this category, such as K25.0, K25.1, and K25.2.