ICD-10-CM Billable Code

H71.23

Cholesteatoma of mastoid, bilateral

Clinical Classification Guidelines

Medical Intelligence & Overview

Bilateral cholesteatoma of the mastoid is a condition involving abnormal skin growths that develop in the mastoid area behind the ears on both sides. The mastoid part of the skull contains air-filled cavities connected to the middle ear. When a cholesteatoma forms here, it can lead to various complications if left untreated. This condition is characterized by the growth of keratinizing squamous epithelium, which can erode bone and other structures in the ear. Recognizing and understanding the causes, symptoms, and potential treatments for bilateral cholesteatoma are essential for managing its effects and preventing complications.

Causes & Symptoms

Clinical Causes: Chronic middle ear infections (otitis media) leading to retraction of the eardrum and abnormal skin growth Congenital factors, where a cholesteatoma is present at birth due to developmental issues Previous ear surgeries or trauma that disrupt normal ear structure Eustachian tube dysfunction causing negative pressure and retraction pockets in the eardrum Genetic predispositions influencing ear anatomy and healing processes

Key Symptoms: Hearing loss, often gradual and worse on affected sides Ear fullness or pressure sensation Persistent foul-smelling ear discharge (otorrhea) Ear pain or discomfort Tinnitus (ringing in the ears) Balance problems or dizziness in advanced cases Facial nerve weakness if the cholesteatoma invades nearby nerves

Diagnostic & Treatment

Diagnosis Path: The diagnostic process typically involves a combination of clinical examination and imaging studies. An otolaryngologist (ear, nose, and throat specialist) will perform a thorough ear exam using otoscopy to look for retraction pockets, erosion, or discharges. Imaging tests, such as high-resolution CT scans of the temporal bone, are crucial for visualizing the extent of the cholesteatoma, assessing bone erosion, and planning surgical intervention. Audiometric testing may be conducted to evaluate hearing loss severity. In some cases, surgical exploration provides definitive diagnosis.

Treatment Protocols: The primary treatment for bilateral cholesteatoma is surgical removal performed by an experienced otolaryngologist. Surgery aims to eradicate the cholesteatoma, prevent further bone destruction, and restore hearing if possible. Common surgical procedures include mastoidectomy, which involves removing the diseased area and creating a safe middle ear environment. In certain cases, reconstructive procedures are performed to restore ear function and anatomy. Postoperative care involves regular follow-up examinations to monitor for recurrence, which is a known risk. Antibiotics may be prescribed to treat or prevent infections, and hearing rehabilitation options like hearing aids might be recommended based on residual hearing loss.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is H71.23 a billable ICD-10 code?
Yes, H71.23 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report H71.23?
Clinical documentation must specify the nature of Cholesteatoma of mastoid, bilateral and any associated comorbidities for accurate reporting.

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