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v1.0.0
ICD-10 Guide
ICD-10 CodesQ17.2

Q17.2

Billable

Microtia

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

Code Description

ICD-10 Q17.2 is a billable code used to indicate a diagnosis of microtia.

Key Diagnostic Point:

Microtia is a congenital malformation characterized by the underdevelopment of the external ear. It can range from a small, malformed ear to a complete absence of the ear (anotia). This condition often occurs in conjunction with other congenital anomalies, particularly those affecting the head and neck region. Microtia can be unilateral or bilateral and is frequently associated with hearing loss due to the malformation of the ear canal. The severity of microtia can vary significantly, and it may be part of syndromic conditions such as Goldenhar syndrome or Treacher Collins syndrome. Diagnosis is typically made through physical examination and imaging studies, and management may involve surgical reconstruction, hearing aids, or other interventions to address associated hearing loss. Understanding the implications of microtia is crucial for pediatric care, as it can affect a child's social interactions and self-esteem as they grow.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in severity and associated conditions
  • Potential for multiple surgical interventions
  • Need for interdisciplinary care involving audiology and surgery
  • Documentation of associated anomalies and syndromes

Audit Risk Factors

  • Inadequate documentation of associated anomalies
  • Failure to specify laterality (unilateral vs bilateral)
  • Misclassification of severity
  • Inconsistent coding of related procedures

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed history of the child's development, family history of congenital conditions, and any associated anomalies.

Common Clinical Scenarios

A child presenting with microtia and hearing loss, requiring audiological assessment and potential surgical intervention.

Billing Considerations

Consideration of psychosocial impacts on the child and family, as well as the need for multidisciplinary care.

Genetics

Documentation Requirements

Genetic testing results, family history of genetic disorders, and any syndromic associations.

Common Clinical Scenarios

Genetic counseling for families with a history of microtia or associated syndromes.

Billing Considerations

Understanding the genetic basis of microtia and its potential syndromic associations for accurate coding.

Coding Guidelines

Inclusion Criteria

Use Q17.2 When
  • 10 guidelines specify that congenital conditions should be coded based on the specific malformation and any associated conditions
  • Documentation must clearly indicate the presence of microtia and any related anomalies

Exclusion Criteria

Do NOT use Q17.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

69300CPT Code

Reconstruction of the auricle

Clinical Scenario

Used for surgical correction of microtia.

Documentation Requirements

Preoperative assessment, surgical notes, and postoperative follow-up.

Specialty Considerations

Pediatric surgical considerations for ear reconstruction.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital conditions like microtia, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions like microtia, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    American Academy of Pediatrics - Congenital Ear Anomalies

Coding & Billing References

  • •
    American Academy of Pediatrics - Congenital Ear Anomalies

Frequently Asked Questions

What is the difference between microtia and anotia?

Microtia refers to the underdevelopment of the external ear, while anotia is the complete absence of the ear. Both conditions require careful documentation and coding based on their specific characteristics.