2026 ICD-10-CM Diagnosis Code I86.4Gastric varices

ICD-10-CM Codes›I00–I99›I80-I89›I86

ICD-10-CM I86.4
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I86.4 is a billable ICD-10-CM diagnosis code for gastric varices. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 299 through 301. Coders also document this condition as bleeding gastric varices. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified diseases of veins and lymphatics.

Code Identity

ICD-10-CM Code
I86.4
Billable Status
Yes — Valid for Submission
Code Describes
Gastric varices
Short Description
Gastric varices
Same as the full description in the CMS dataset.
Parent Code
I86
Varicose veins of other sites

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
CategoryI86Varicose veins of other sites
This CodeI86.4Gastric varices

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bleeding gastric varices
  • Gastric varices
  • Gastric varices without bleeding
  • Gastroesophageal varices

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Varix(lower limb)
      • gastric
    • Varix(lower limb)
      • stomach

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR CIR039
Other specified diseases of veins and lymphatics
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Stomach Disorders

Your stomach is an organ between your esophagus and small intestine. It is where digestion of protein begins. The stomach has three tasks. It stores swallowed food. It mixes the food with stomach acids. Then it sends the mixture on to the small intestine.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert I86.4 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
456.8 Varices of other sites
Approximate The match is approximate rather than exact.

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 I86.4Overview

Is I86.4 (Varicose veins of other sites) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report gastric varices on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does I86.4 group to?

When gastric varices is the principal diagnosis on an inpatient stay, it groups to MS-DRG 299, 300, 301, with relative weights from 0.7197 to 1.6327 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of I86.4?

Under the General Equivalence Mappings, gastric varices converts to ICD-9-CM 456.8 (varices of other sites). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.