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ICD-10 Coding for Asymmetric Hearing Loss(H90.3, H90.A21)

Complete ICD-10-CM coding and documentation guide for Asymmetric Hearing Loss. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Unequal Hearing LossAsymmetric Sensorineural Hearing Loss

Related ICD-10 Code Ranges

Complete code families applicable to Asymmetric Hearing Loss

H90-H91Primary Range

Hearing loss

This range includes codes for different types of hearing loss, including asymmetric hearing loss.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
H90.3Bilateral sensorineural hearing lossUse when asymmetric SNHL meets bilateral criteria despite asymmetry.
  • Audiometric evidence of bilateral sensorineural hearing loss
  • Asymmetry of ≥10 dB at three consecutive frequencies
H90.A21Unilateral SNHL with contralateral restricted lossUse when one ear has SNHL and the contralateral ear has conductive or mixed loss.
  • Audiometric evidence of unilateral SNHL with contralateral conductive or mixed loss

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for asymmetric hearing loss

Essential facts and insights about Asymmetric Hearing Loss

The ICD-10 code for asymmetric hearing loss includes H90.3 for bilateral sensorineural hearing loss and H90.A21 for unilateral SNHL with contralateral restricted loss.

Primary ICD-10-CM Codes for asymmetric hearing loss

Bilateral sensorineural hearing loss
Billable Code

Decision Criteria

clinical Criteria

  • Audiometric evidence of bilateral sensorineural hearing loss

Applicable To

  • Asymmetric sensorineural hearing loss when bilateral criteria are met

Excludes

  • Unilateral hearing loss

Clinical Validation Requirements

  • Audiometric evidence of bilateral sensorineural hearing loss
  • Asymmetry of ≥10 dB at three consecutive frequencies

Code-Specific Risks

  • Potential for under-coding if asymmetry is not documented

Coding Notes

  • Ensure bilateral criteria are documented to justify use of H90.3.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Central auditory processing disorder

H93.25
Use for poor speech perception disproportionate to pure tone average.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Unilateral SNHL with contralateral restricted loss

H90.A21
Use when one ear has SNHL and the contralateral ear has conductive or mixed loss.

Bilateral sensorineural hearing loss

H90.3
Use H90.3 when bilateral criteria are met despite asymmetry.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Asymmetric Hearing Loss to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code H90.3.

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials.

Mitigation Strategy

Ensure detailed audiometric data is included., Verify documentation against coding guidelines.

Impact

Reimbursement: Potential denial of claims due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate representation of patient condition.

Mitigation Strategy

Document 'Asymmetric thresholds meet bilateral SNHL criteria per AAO-HNS guidelines'.

Impact

Inadequate documentation of hearing asymmetry can lead to audit issues.

Mitigation Strategy

Ensure comprehensive audiometric data is documented.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Asymmetric Hearing Loss, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Asymmetric Hearing Loss

Use these documentation templates to ensure complete and accurate documentation for Asymmetric Hearing Loss. These templates include all required elements for proper coding and billing.

Otology Progress Note

Specialty: Otolaryngology

Required Elements

  • Audiometric Profile
  • Asymmetry Criteria
  • Etiological Indicators

Example Documentation

Audiometric Profile: R ear: SNHL 60 dB PTA (0.5-4k Hz), WRS 70% at 50 dB HL; L ear: SNHL 35 dB PTA (0.5-4k Hz), WRS 92% at 35 dB HL.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has unequal hearing.
Good Documentation Example
Asymmetric SNHL with 25 dB interaural difference at 1k, 2k, 4k Hz (R:55 dB, L:30 dB), SRT correlation ±5 dB, WRS 80% R vs 96% L.
Explanation
The good example provides specific audiometric data and speech recognition scores, which are essential for accurate coding and billing.

Need help with ICD-10 coding for Asymmetric Hearing Loss? Ask your questions below.

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