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v1.0.0
ICD-10 Guide
ICD-10 CodesQ18.7

Q18.7

Billable

Microcheilia

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

Code Description

ICD-10 Q18.7 is a billable code used to indicate a diagnosis of microcheilia.

Key Diagnostic Point:

Microcheilia is a congenital malformation characterized by an abnormal reduction in the size of the lips, particularly the lower lip. This condition can occur as an isolated anomaly or as part of a syndrome involving other congenital defects. Microcheilia may be associated with other facial malformations, such as cleft lip or palate, and can impact the aesthetic appearance and functional aspects of feeding and speech in infants. The etiology of microcheilia is often multifactorial, involving genetic predispositions and environmental factors during pregnancy. Clinically, it is essential to assess the extent of the malformation and any associated anomalies, particularly in the context of syndromic presentations. Management may involve surgical intervention to improve cosmetic appearance and functional outcomes, particularly if the condition affects feeding or speech development. Accurate coding of microcheilia is crucial for appropriate clinical management and for understanding the broader implications of congenital facial anomalies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of microcheilia.
  • Potential association with other congenital anomalies.
  • Need for detailed documentation of associated conditions.
  • Differentiation from similar conditions like cleft lip.

Audit Risk Factors

  • Inadequate documentation of associated congenital anomalies.
  • Misclassification of microcheilia as a more severe condition.
  • Failure to document the functional impact of the condition.
  • Inconsistent coding practices across different providers.

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed clinical notes on the infant's feeding and developmental milestones, as well as any surgical interventions.

Common Clinical Scenarios

Infants presenting with microcheilia requiring assessment for feeding difficulties or referral for surgical correction.

Billing Considerations

Consideration of the psychosocial impact on families and the need for multidisciplinary care.

Genetics

Documentation Requirements

Genetic testing results, family history of congenital anomalies, and any syndromic associations.

Common Clinical Scenarios

Genetic counseling sessions for families with a history of congenital malformations.

Billing Considerations

Understanding the genetic basis of microcheilia and its potential syndromic associations.

Coding Guidelines

Inclusion Criteria

Use Q18.7 When
  • 10 coding guidelines for congenital conditions emphasize the importance of specificity in documentation, including the presence of associated anomalies and the impact on function
  • Coders should ensure that all relevant clinical details are captured to support the diagnosis

Exclusion Criteria

Do NOT use Q18.7 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

40650CPT Code

Repair of cleft lip

Clinical Scenario

Used when surgical intervention is performed for microcheilia associated with cleft lip.

Documentation Requirements

Operative report detailing the procedure and any associated findings.

Specialty Considerations

Pediatric surgeons should 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 more specific coding of congenital conditions like microcheilia, improving the ability to capture the complexity of these cases and their management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions like microcheilia, improving the ability to capture the complexity of these cases and their management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions like microcheilia, improving the ability to capture the complexity of these cases and their management.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the primary concern when coding microcheilia?

The primary concern is ensuring accurate documentation of associated congenital anomalies and the functional impact of microcheilia, as this can affect treatment decisions and coding accuracy.