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ICD-10 Guide
ICD-10 CodesQ72.42

Q72.42

Billable

Longitudinal reduction defect of left femur

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

Code Description

ICD-10 Q72.42 is a billable code used to indicate a diagnosis of longitudinal reduction defect of left femur.

Key Diagnostic Point:

Longitudinal reduction defect of the left femur is a congenital malformation characterized by the incomplete development or absence of a portion of the femur, which can lead to significant functional impairment and limb length discrepancy. This condition may present at birth or be identified during early childhood as the child begins to walk. The defect can vary in severity, ranging from a minor shortening of the femur to a complete absence of the bone. Associated conditions may include other limb reduction defects, clubfoot, or hip dysplasia, which can complicate the clinical picture. Diagnosis is typically made through physical examination and imaging studies such as X-rays or MRI, which help assess the extent of the defect and any associated anomalies. Management often involves a multidisciplinary approach, including orthopedic intervention, physical therapy, and possibly surgical correction to improve function and mobility. Early intervention is crucial to optimize outcomes and support the child's development.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of the defect
  • Need for comprehensive documentation of associated conditions
  • Potential for multiple coding scenarios depending on coexisting anomalies
  • Requirement for precise anatomical localization in coding

Audit Risk Factors

  • Inadequate documentation of the defect's severity
  • Failure to report associated congenital anomalies
  • Incorrect coding of laterality (left vs. right)
  • Misinterpretation of imaging results leading to incorrect coding

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed growth and developmental assessments, including physical examination findings and any interventions performed.

Common Clinical Scenarios

A pediatric patient presenting with a limb length discrepancy or difficulty in ambulation due to femoral reduction defect.

Billing Considerations

Ensure that all associated conditions are documented to support the complexity of the case.

Genetics

Documentation Requirements

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

Common Clinical Scenarios

Referral for genetic counseling in cases where there is a suspicion of a syndromic cause for the limb reduction defect.

Billing Considerations

Consider the implications of chromosomal abnormalities that may be associated with limb defects.

Coding Guidelines

Inclusion Criteria

Use Q72.42 When
  • Follow the ICD
  • CM guidelines for coding congenital malformations, ensuring accurate documentation of the defect's nature, laterality, and any associated conditions
  • Use additional codes as necessary to capture the full clinical picture

Exclusion Criteria

Do NOT use Q72.42 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27500CPT Code

Osteotomy, femur

Clinical Scenario

Used in cases where surgical intervention is required to correct the femoral defect.

Documentation Requirements

Pre-operative assessments, imaging studies, and surgical notes.

Specialty Considerations

Orthopedic specialists should ensure comprehensive documentation of the defect and surgical approach.

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, improving the accuracy of data collection and reimbursement processes. Q72.42 provides a clear distinction from other limb defects, facilitating better patient management and research.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the accuracy of data collection and reimbursement processes. Q72.42 provides a clear distinction from other limb defects, facilitating better patient management and research.

Reimbursement & Billing Impact

reimbursement processes. Q72.42 provides a clear distinction from other limb defects, facilitating better patient management and research.

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 significance of coding Q72.42 accurately?

Accurate coding of Q72.42 is crucial for ensuring appropriate treatment and management of patients with longitudinal reduction defects. It helps in tracking the prevalence of congenital conditions and supports research into their causes and treatments.