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ICD-10 Guide
ICD-10 CodesH83.12

H83.12

Billable

Labyrinthine fistula, left ear

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 H83.12 is a billable code used to indicate a diagnosis of labyrinthine fistula, left ear.

Key Diagnostic Point:

A labyrinthine fistula is an abnormal connection between the inner ear (labyrinth) and the surrounding structures, often resulting from chronic otitis media or trauma. In the left ear, this condition can lead to symptoms such as hearing loss, vertigo, and tinnitus. The labyrinth is responsible for both hearing and balance, and a fistula can disrupt these functions. Clinically, patients may present with sudden onset of vertigo, fluctuating hearing loss, or a feeling of fullness in the ear. Diagnosis typically involves a thorough history, physical examination, and imaging studies such as CT or MRI to visualize the fistula. Audiometric testing may also be performed to assess hearing loss. Management may include surgical intervention to repair the fistula, especially if conservative measures fail. The prognosis varies depending on the underlying cause and the timing of intervention.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating labyrinthine fistula from other ear conditions
  • Need for precise documentation of symptoms and history
  • Potential for co-existing conditions affecting coding
  • Variability in surgical interventions and their coding

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify laterality (left ear)
  • Misclassification of the type of fistula
  • Inconsistent coding of associated conditions

Specialty Focus

Medical Specialties

Otolaryngology

Documentation Requirements

Detailed history of ear symptoms, imaging results, and audiometric evaluations.

Common Clinical Scenarios

Patients presenting with chronic ear infections, sudden hearing loss, or vertigo.

Billing Considerations

Ensure that all surgical interventions are documented, including pre-operative and post-operative assessments.

Audiology

Documentation Requirements

Comprehensive audiometric evaluations and reports on hearing function.

Common Clinical Scenarios

Patients undergoing hearing assessments post-fistula repair or with unexplained hearing loss.

Billing Considerations

Document the relationship between hearing loss and labyrinthine fistula for accurate coding.

Coding Guidelines

Inclusion Criteria

Use H83.12 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the condition's etiology and symptoms
  • Include any relevant imaging studies and audiometric evaluations in the medical record

Exclusion Criteria

Do NOT use H83.12 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

69631CPT Code

Labyrinthine fistula repair

Clinical Scenario

Used when surgical intervention is performed to repair the fistula.

Documentation Requirements

Document the surgical procedure, indications, and post-operative care.

Specialty Considerations

Otolaryngologists must ensure all surgical details are accurately captured.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of labyrinthine fistula, improving the accuracy of diagnoses and treatment tracking. This specificity aids in better patient management and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of labyrinthine fistula, improving the accuracy of diagnoses and treatment tracking. This specificity aids in better patient management and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of labyrinthine fistula, improving the accuracy of diagnoses and treatment tracking. This specificity aids in better patient management and resource allocation.

Resources

Clinical References

  • •
    American Academy of Otolaryngology - Head and Neck Surgery

Coding & Billing References

  • •
    American Academy of Otolaryngology - Head and Neck Surgery

Frequently Asked Questions

What are the common causes of labyrinthine fistula?

Common causes include chronic otitis media, trauma to the ear, and congenital defects. These factors can lead to a breach in the labyrinth, resulting in the fistula.