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    v1.0.28
    OpenPayerBilling CodesDiseases of inner earICD-10-CM h80-otosclerosis
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    ICD-10-CM Code For Otosclerosis: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group H80 includes diagnoses for otosclerosis and related ossicular fixation disorders that cause conductive or mixed hearing loss due to abnormal bone remodeling of the otic capsule. These ICD-10-CM diagnosis codes are used to document clinical presentations such as progressive conductive hearing loss, involvement of the stapes and cochlear capsule, and cases requiring audiologic assessment or surgical intervention. Accurate coding within the ICD-10-CM H80 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM H80: Otosclerosis Overview

    Otosclerosis diagnoses represent abnormal bone remodeling of the otic capsule leading to conductive or mixed hearing loss, often affecting the stapes and cochlear capsule. This group targets disorders of the inner ear that impair sound conduction and, in some cases, sensorineural function. Accurate coding matters for appropriate clinical documentation and correct processing of claims related to hearing loss management and surgical interventions.

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    When to Use

    Use codes from this group when documenting patients with clinical or audiologic evidence of ossicular fixation due to otosclerosis or when surgical procedures address stapedial fixation. Apply these codes to encounters involving progressive conductive hearing loss, preoperative assessment for stapedectomy or stapedotomy, and postoperative follow-up related to otosclerotic disease.

    ICD-10-CM Codes

    20 rows

    ICD-10-CM CodeDescription
    H80.00Otosclerosis involving oval window, nonobliterative, unspecified ear
    H80.01Otosclerosis involving oval window, nonobliterative, right ear
    H80.02Otosclerosis involving oval window, nonobliterative, left ear
    H80.03Otosclerosis involving oval window, nonobliterative, bilateral
    H80.10Otosclerosis involving oval window, obliterative, unspecified ear
    H80.11Otosclerosis involving oval window, obliterative, right ear
    H80.12Otosclerosis involving oval window, obliterative, left ear
    H80.13Otosclerosis involving oval window, obliterative, bilateral
    H80.20Cochlear otosclerosis, unspecified ear
    H80.21Cochlear otosclerosis, right ear
    H80.22Cochlear otosclerosis, left ear
    H80.23Cochlear otosclerosis, bilateral
    H80.80Other otosclerosis, unspecified ear
    H80.81Other otosclerosis, right ear
    H80.82Other otosclerosis, left ear
    H80.83Other otosclerosis, bilateral
    H80.90Unspecified otosclerosis, unspecified ear
    H80.91Unspecified otosclerosis, right ear
    H80.92Unspecified otosclerosis, left ear
    H80.93Unspecified otosclerosis, bilateral

    DRG Codes

    3 rows

    DRG CodeDescription
    154Other Ear, Nose, Mouth and Throat Diagnoses with MCC
    155Other Ear, Nose, Mouth and Throat Diagnoses with CC
    156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC

    Related Codes

    H81-DISORDERS-OF-VESTIBULAR-FUNCTION

    ICD-10-CM Code For Disorders Of Vestibular Function: Group Overview

    H82-VERTIGINOUS-SYNDROMES

    ICD-10-CM Code For Vertiginous Syndromes In Diseases Classified Elsewhere: Group Overview

    H83-OTHER-DISEASES-OF-INNER-EAR

    ICD-10-CM Code For Other Diseases Of Inner Ear: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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