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v1.0.0
ICD-10 Guide
ICD-10 CodesQ17.8

Q17.8

Billable

Other specified congenital malformations of ear

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

Code Description

ICD-10 Q17.8 is a billable code used to indicate a diagnosis of other specified congenital malformations of ear.

Key Diagnostic Point:

Congenital malformations of the ear encompass a variety of structural anomalies that can affect the outer, middle, or inner ear. These malformations may include microtia (underdeveloped outer ear), atresia (absence or closure of the ear canal), and other less common anomalies. The clinical presentation can vary widely, from mild cosmetic issues to significant hearing impairment. In some cases, these malformations may be associated with syndromic conditions, necessitating a comprehensive evaluation for other congenital anomalies. Diagnosis typically involves a thorough physical examination, audiological assessments, and imaging studies when indicated. Management may include surgical interventions, hearing aids, or other supportive measures, depending on the severity and impact of the malformation on the patient's quality of life. Accurate coding is essential for appropriate treatment planning and reimbursement, as well as for tracking epidemiological data on congenital ear anomalies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of ear malformations
  • Potential association with syndromic conditions requiring additional codes
  • Need for precise documentation of the specific type of malformation
  • Differentiation from acquired ear conditions

Audit Risk Factors

  • Inadequate documentation of the specific ear malformation
  • Failure to identify associated syndromic conditions
  • Incorrect coding of severity or type of malformation
  • Lack of supporting audiological assessments

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed history of the child's development, family history of congenital conditions, and results from audiological evaluations.

Common Clinical Scenarios

Evaluation of a newborn with suspected microtia, follow-up for hearing assessments in children with ear malformations.

Billing Considerations

Consideration of developmental milestones and potential impacts on speech and language development.

Genetics

Documentation Requirements

Genetic testing results, family pedigree, and any syndromic associations noted during evaluation.

Common Clinical Scenarios

Genetic counseling for families with a history of congenital ear anomalies, evaluation for syndromic conditions associated with ear malformations.

Billing Considerations

Understanding the genetic basis of congenital malformations and implications for family planning.

Coding Guidelines

Inclusion Criteria

Use Q17.8 When
  • Coders should adhere to the official ICD
  • CM coding guidelines, ensuring that all congenital conditions are coded to the highest level of specificity
  • Documentation must support the diagnosis, including any associated conditions or syndromes

Exclusion Criteria

Do NOT use Q17.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

69300CPT Code

Repair of microtia

Clinical Scenario

Used in cases where surgical intervention is required for ear malformations.

Documentation Requirements

Pre-operative assessments, surgical notes, and post-operative follow-up.

Specialty Considerations

Pediatric surgeons must document the rationale for surgical intervention.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding congenital malformations, improving data accuracy for epidemiological studies and enhancing reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding congenital malformations, improving data accuracy for epidemiological studies and enhancing reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    CDC Congenital Malformations

Coding & Billing References

  • •
    CDC Congenital Malformations

Frequently Asked Questions

What documentation is required for coding Q17.8?

Documentation must include a detailed description of the ear malformation, any associated conditions, results from audiological assessments, and treatment plans. This ensures accurate coding and appropriate reimbursement.