2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

I86.0 is a billable ICD-10-CM diagnosis code for sublingual varices. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) 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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I86.0: its own notes plus those printed at I86 and Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From I86 Varicose veins of other sites applies to 6 codes
  • varicose veins of unspecified site (I83.9-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From I86 Varicose veins of other sites applies to 6 codes
From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About I86.0Overview

What is the ICD-10 code for sublingual varices?

The ICD-10-CM code for sublingual varices is I86.0 (sometimes written as I860). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

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, 2026 through September 30, 2027.

What MS-DRG does I86.0 group to?

When sublingual varices is the principal diagnosis on an inpatient stay, it groups to MS-DRG 301, 300, 299, with relative weights from 0.7132 to 1.5840 depending on complications. Higher weights mean higher Medicare reimbursement.

Can I86.0 be reported with a code from I83.9?

Not as a rule. The Excludes1 note at I86, which applies to I86.0, lists "varicose veins of unspecified site (I83.9-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

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.