2027 ICD-10-CM Diagnosis Code H83.2X1Labyrinthine dysfunction, right ear

ICD-10-CM Codes›H60–H95›H80-H83›H83

ICD-10-CM H83.2X1
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H83.2X1 is a billable ICD-10-CM diagnosis code for labyrinthine dysfunction, right ear. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 149. Coders also document this condition as dysfunction of right labyrinth structure. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Diseases of inner ear and related conditions.

Code Identity

ICD-10-CM Code
H83.2X1
Billable Status
Yes — Valid for Submission
Code Describes
Labyrinthine dysfunction, right ear
Short Description
Labyrinthine dysfunction, right ear
Same as the full description in the CMS dataset.
Parent Code
H83.2X
Labyrinthine dysfunction

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH80-H83Diseases of inner ear
CategoryH83Other diseases of inner ear
This CodeH83.2X1Labyrinthine dysfunction, right ear

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Dysfunction of right labyrinth structure
  • Hyperactive labyrinthine dysfunction
  • Hyperactive labyrinthine dysfunction of right inner ear
  • Hypoactive labyrinthine dysfunction
  • Hypoactive labyrinthine dysfunction of right inner ear

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H83.2X1: its own notes plus those printed at Chapter 8. A note printed at a category, block or chapter applies to every code under it.

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)

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 Yes · outpatient Yes

Patient EducationClinical

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Read the full article at MedlinePlus

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

Convert H83.2X1 to ICD-9-CMHistory

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

ICD-9-CM
386.50 Labyrinthine dysfunc NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
386.51 Hypract labyrinth unilat
Approximate The match is approximate rather than exact.
ICD-9-CM
386.53 Hypoact labyrinth unilat
Approximate The match is approximate rather than exact.
ICD-9-CM
386.55 Loss labyrn react unilat
Approximate The match is approximate rather than exact.
ICD-9-CM
386.58 Labyrinthine dysfunc 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 H83.2X1Overview

What is the ICD-10 code for labyrinthine dysfunction, right ear?

The ICD-10-CM code for labyrinthine dysfunction, right ear is H83.2X1 (sometimes written as H832X1). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H83.2X1 (Labyrinthine dysfunction) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report labyrinthine dysfunction, right ear on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does H83.2X1 group to?

When labyrinthine dysfunction, right ear is the principal diagnosis on an inpatient stay, it groups to MS-DRG 149 (dysequilibrium), which carries a relative weight of 0.7526. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of H83.2X1?

Under the General Equivalence Mappings, labyrinthine dysfunction, right ear converts to ICD-9-CM 386.50 (labyrinthine dysfunc NOS), 386.51 (hypract labyrinth unilat), and 386.53 (hypoact labyrinth unilat). The mapping is approximate, so confirm the match fits the documentation.