2027 ICD-10-CM Diagnosis Code H82.9Vertiginous syndromes in diseases classified elsewhere, unspecified ear

ICD-10-CM Codes›H60–H95›H80-H83›H82

ICD-10-CM H82.9
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H82.9 is a billable ICD-10-CM diagnosis code for vertiginous syndromes in diseases classified elsewhere, unspecified ear. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 149. The code is a manifestation code that cannot be reported as the principal diagnosis. Coders also document this condition as epileptic vertigo. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Diseases of inner ear and related conditions.

Code Identity

ICD-10-CM Code
H82.9
Billable Status
Yes — Valid for Submission
Code Describes
Vertiginous syndromes in diseases classified elsewhere, unspecified ear
Short Description
Vertiginous syndromes in diseases classd elswhr, unsp ear
Parent Code
H82
Vertiginous syndromes in diseases classified elsewhere

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH80-H83Diseases of inner ear
CategoryH82Vertiginous syndromes in diseases classified elsewhere
This CodeH82.9Vertiginous syndromes in diseases classified elsewhere, unspecified ear

Code EditsBilling

Medicare Code Editor checks that affect claim validity for H82.9.

Manifestation diagnoses
Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and therefore should not be used as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Epileptic vertigo

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H82.9: its own notes plus those printed at H82 and Chapter 8. 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 H82 Vertiginous syndromes in diseases classified elsewhere applies to 4 codes

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 Chapter 8 (H60-H95) Diseases of the ear and mastoid process applies to 653 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)

Code First

The underlying condition named in the note is sequenced before this code.

From H82 Vertiginous syndromes in diseases classified elsewhere applies to 4 codes
  • underlying disease

Notes

General instructions on how these codes are used.

From Chapter 8 (H60-H95) Diseases of the ear and mastoid process applies to 653 codes
  • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

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

Clinical ClassificationClinical

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

CCSR EAR003
Diseases of inner ear and related conditions
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Dizziness and Vertigo

Dizziness and vertigo are not the same thing, but they are often mixed up.

The full article covers:

  • What is dizziness and vertigo?
  • What causes dizziness and vertigo?
  • How is the cause of dizziness and vertigo diagnosed?
  • What are the treatments for dizziness and vertigo?

Read the full article at MedlinePlus

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

Convert H82.9 to ICD-9-CMHistory

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

ICD-9-CM
386.8 Disorders labyrinth NEC
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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About H82.9Overview

Is H82.9 (Vertiginous syndromes in diseases classified elsewhere) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report vertiginous syndromes in diseases classified elsewhere, unspecified ear on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does H82.9 group to?

On inpatient claims, vertiginous syndromes in diseases classified elsewhere, unspecified ear maps to MS-DRG 149 (dysequilibrium), which carries a relative weight of 0.7526. Higher weights mean higher Medicare reimbursement.

Can H82.9 be a principal diagnosis?

No. This is a manifestation code: vertiginous syndromes in diseases classified elsewhere, unspecified ear describes the manifestation of an underlying disease rather than the disease itself, so the underlying condition is sequenced first.

Can H82.9 be reported with A88.1?

Not as a rule. The Excludes1 note at H82, which applies to H82.9, lists "epidemic vertigo (A88.1)". 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 coded first with H82.9?

The Code First note at H82, which applies to H82.9, reads: underlying disease. When one of these applies, it is sequenced before H82.9.