2027 ICD-10-CM Diagnosis Code H80Otosclerosis

ICD-10-CM Codes›H60–H95›H80-H83›H80

ICD-10-CM H80
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H80 is a non-billable ICD-10-CM category code for otosclerosis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as H80.00, H80.01, H80.02, and H80.03.

Code Identity

ICD-10-CM Code
H80
Billable Status
No — Non-Billable Category
Code Describes
Otosclerosis
Short Description
Otosclerosis
Same as the full description in the CMS dataset.
Chapter
H80-H83
Diseases of inner ear

Code Classification

ChapterH60–H95Diseases of the ear and mastoid process
SectionH80-H83Diseases of inner ear
CategoryH80Otosclerosis
This CodeH80Otosclerosis

Specific Coding for OtosclerosisOverview

Non-specific codes like H80 require more characters. Use one of these billable codes instead:

  • H80.0 for Otosclerosis involving oval window, nonobliterative

  • Use H80.00 for Otosclerosis involving oval window, nonobliterative, unspecified ear

  • Use H80.01 for Otosclerosis involving oval window, nonobliterative, right ear

  • Use H80.02 for Otosclerosis involving oval window, nonobliterative, left ear

  • Use H80.03 for Otosclerosis involving oval window, nonobliterative, bilateral

  • H80.1 for Otosclerosis involving oval window, obliterative

  • Use H80.10 for Otosclerosis involving oval window, obliterative, unspecified ear

  • Use H80.11 for Otosclerosis involving oval window, obliterative, right ear

  • Use H80.12 for Otosclerosis involving oval window, obliterative, left ear

  • Use H80.13 for Otosclerosis involving oval window, obliterative, bilateral

  • H80.2 for Cochlear otosclerosis

  • Use H80.20 for Cochlear otosclerosis, unspecified ear

  • Use H80.21 for Cochlear otosclerosis, right ear

  • Use H80.22 for Cochlear otosclerosis, left ear

  • Use H80.23 for Cochlear otosclerosis, bilateral

  • H80.8 for Other otosclerosis

  • Use H80.80 for Other otosclerosis, unspecified ear

  • Use H80.81 for Other otosclerosis, right ear

  • Use H80.82 for Other otosclerosis, left ear

  • Use H80.83 for Other otosclerosis, bilateral

  • H80.9 for Unspecified otosclerosis

  • Use H80.90 for Unspecified otosclerosis, unspecified ear

  • Use H80.91 for Unspecified otosclerosis, right ear

  • Use H80.92 for Unspecified otosclerosis, left ear

  • Use H80.93 for Unspecified otosclerosis, bilateral

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H80: its own notes plus those printed at Chapter 8. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

  • Otospongiosis

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 InformationClinical

  • Otosclerosis

    formation of spongy bone in the labyrinth capsule which can progress toward the stapes (stapedial fixation) or anteriorly toward the cochlea leading to conductive, sensorineural, or mixed hearing loss. several genes are associated with familial otosclerosis with varied clinical signs.

Patient EducationClinical

Ear Disorders

An ear disorder is any condition that changes or harms the shape or structure of your ear. This can include abnormal ear shapes you're born with, injuries that change your ear's shape, and a growth on or in the ear.

The full article covers:

  • What is an ear disorder?
  • What causes ear disorders?
  • What are the symptoms of ear disorders?
  • How are ear disorders diagnosed?
  • How are ear disorders treated?
  • Can ear disorders be prevented?

Read the full article at MedlinePlus

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

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 H80Overview

What is the ICD-10 code for otosclerosis?

H80 is the ICD-10-CM category for otosclerosis, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is H80 (Otosclerosis) a billable code?

No. This is a category header that groups the codes for otosclerosis, and headers cannot be submitted on claims. Claims for otosclerosis need a more specific code from this category, such as H80.00, H80.01, and H80.02.