2027 ICD-10-CM Diagnosis Code H83.01Labyrinthitis, right ear

ICD-10-CM Codes›H60–H95›H80-H83›H83

ICD-10-CM H83.01
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H83.01 is a billable ICD-10-CM diagnosis code for labyrinthitis, 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 autoimmune disorder of inner ear. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Diseases of inner ear and related conditions.

Code Identity

ICD-10-CM Code
H83.01
Billable Status
Yes — Valid for Submission
Code Describes
Labyrinthitis, right ear
Short Description
Labyrinthitis, right ear
Same as the full description in the CMS dataset.
Parent Code
H83.0
Labyrinthitis

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH80-H83Diseases of inner ear
CategoryH83Other diseases of inner ear
This CodeH83.01Labyrinthitis, right ear

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Autoimmune disorder of inner ear
  • Autoimmune disorder of right inner ear
  • Infection involving inner ear
  • Labyrinthitis of right inner ear
  • Viral labyrinthitis
  • Viral labyrinthitis of right inner ear

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H83.01: 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

Clinical InformationClinical

  • Labyrinthitis

    inflammation of the inner ear (labyrinth).

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 H83.01 to ICD-9-CMHistory

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

ICD-9-CM
386.30 Labyrinthitis NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
386.31 Serous labyrinthitis
Approximate The match is approximate rather than exact.
ICD-9-CM
386.32 Circumscri labyrinthitis
Approximate The match is approximate rather than exact.
ICD-9-CM
386.33 Suppurativ labyrinthitis
Approximate The match is approximate rather than exact.
ICD-9-CM
386.34 Toxic labyrinthitis
Approximate The match is approximate rather than exact.
ICD-9-CM
386.35 Viral labyrinthitis
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 H83.01Overview

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

The ICD-10-CM code for labyrinthitis, right ear is H83.01 (sometimes written as H8301). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H83.01 (Labyrinthitis) a billable code?

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

What MS-DRG does H83.01 group to?

When labyrinthitis, 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 H83.01?

Under the General Equivalence Mappings, labyrinthitis, right ear converts to ICD-9-CM 386.30 (labyrinthitis NOS), 386.31 (serous labyrinthitis), and 386.32 (circumscri labyrinthitis). The mapping is approximate, so confirm the match fits the documentation.