ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesQ16.9

Q16.9

Billable

Congenital malformation of ear causing impairment of hearing, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 Q16.9 is a billable code used to indicate a diagnosis of congenital malformation of ear causing impairment of hearing, unspecified.

Key Diagnostic Point:

Congenital malformations of the ear can lead to various degrees of hearing impairment, which may be unilateral or bilateral. These malformations can include structural anomalies such as microtia (underdeveloped ear), atresia (absence or closure of the ear canal), and other deformities that affect the outer, middle, or inner ear. The severity of hearing impairment can vary significantly, ranging from mild to profound, and may impact speech and language development in children. Diagnosis typically involves a combination of physical examination, audiometric testing, and imaging studies. Early identification and intervention are crucial for optimizing auditory and communicative outcomes. Management may include surgical correction, hearing aids, or cochlear implants, depending on the specific malformation and associated hearing loss. The unspecified nature of this code indicates that while a congenital malformation is present, the exact type or extent of the impairment has not been clearly defined.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of ear malformations
  • Need for detailed audiological assessment to determine hearing impairment
  • Potential for associated syndromic conditions requiring additional coding
  • Documentation of the specific type of malformation may be lacking

Audit Risk Factors

  • Inadequate documentation of the specific ear malformation
  • Failure to document the degree of hearing impairment
  • Misclassification of congenital vs. acquired conditions
  • Lack of supporting audiological evaluations

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include detailed descriptions of the ear malformation, audiological assessments, and developmental milestones.

Common Clinical Scenarios

Common scenarios include newborn screening for hearing loss, referrals for audiology evaluations, and assessments for speech therapy.

Billing Considerations

Consideration of family history and potential syndromic associations is crucial for accurate coding.

Genetics

Documentation Requirements

Genetic documentation should include family history, genetic testing results, and any syndromic associations with the ear malformation.

Common Clinical Scenarios

Genetic counseling for families with a history of congenital ear malformations and syndromic conditions.

Billing Considerations

Awareness of chromosomal abnormalities that may present with ear malformations, such as Down syndrome or Turner syndrome.

Coding Guidelines

Inclusion Criteria

Use Q16.9 When
  • Follow official ICD
  • 10 guidelines for coding congenital malformations, ensuring accurate documentation of the condition and any associated hearing impairment
  • Use additional codes as necessary to capture related conditions or complications

Exclusion Criteria

Do NOT use Q16.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

92557CPT Code

Comprehensive audiometry threshold evaluation and speech recognition

Clinical Scenario

Used for assessing hearing impairment in children with congenital ear malformations.

Documentation Requirements

Document the reason for the audiometric evaluation and any findings.

Specialty Considerations

Pediatric audiologists should be involved for accurate assessments.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the ability to capture the nuances of conditions like Q16.9. This specificity aids in better tracking of outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the ability to capture the nuances of conditions like Q16.9. This specificity aids in better tracking of outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the ability to capture the nuances of conditions like Q16.9. This specificity aids in better tracking of outcomes and resource allocation.

Resources

Clinical References

  • •
    CDC - Birth Defects
  • •
    American Academy of Pediatrics - Congenital Ear Malformations

Coding & Billing References

  • •
    CDC - Birth Defects
  • •
    American Academy of Pediatrics - Congenital Ear Malformations

Frequently Asked Questions

What documentation is needed to support the use of Q16.9?

Documentation should include a clear description of the ear malformation, results from audiological assessments, and any developmental evaluations that indicate hearing impairment.

Can Q16.9 be used if the specific type of ear malformation is unknown?

Yes, Q16.9 can be used when the specific type of malformation is unspecified, but it is essential to document the clinical findings and any assessments performed.