2026 ICD-10-CM Diagnosis Code I86.0Sublingual varices

ICD-10-CM Codes›I00–I99›I80-I89›I86

ICD-10-CM I86.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I86.0 is a billable ICD-10-CM diagnosis code for sublingual 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified diseases of veins and lymphatics.

Code Identity

ICD-10-CM Code
I86.0
Billable Status
Yes — Valid for Submission
Code Describes
Sublingual varices
Short Description
Sublingual 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 CodeI86.0Sublingual varices

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Sublingual 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.

    • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
      • varicose (lower limb, any part)
        • sublingual
    • Varix(lower limb)
      • sublingual

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

Tongue Disorders

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Convert I86.0 to ICD-9-CMHistory

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

ICD-9-CM
456.3 Sublingual varices
Exact Match The mapping is direct, with no qualifiers.

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 I86.0Overview

Is I86.0 (Varicose veins of other sites) a billable code?

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

What MS-DRG does I86.0 group to?

When sublingual 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 I86.0?

Under the General Equivalence Mappings, sublingual varices converts to ICD-9-CM 456.3 (sublingual varices). The mapping is a direct match.

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.