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ICD-10 Guide
ICD-10 CodesQ72.4

Q72.4

Billable

Longitudinal reduction defect of femur

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

Code Description

ICD-10 Q72.4 is a billable code used to indicate a diagnosis of longitudinal reduction defect of femur.

Key Diagnostic Point:

Longitudinal reduction defect of the femur is a congenital malformation characterized by the underdevelopment or absence of a portion of the femur, which can lead to significant functional impairment and deformity. This condition may present as a shortening of the affected limb, resulting in discrepancies in limb length, which can affect gait and mobility. The defect can occur in isolation or as part of a syndrome involving other congenital anomalies. Diagnosis typically involves imaging studies such as X-rays or MRI to assess the extent of the defect and to rule out associated conditions. Management may include orthopedic interventions, such as limb lengthening procedures or the use of prosthetics, depending on the severity of the defect and the age of the patient. Early intervention is crucial to optimize functional outcomes and improve quality of life for affected individuals.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of the defect
  • Potential association with other congenital anomalies
  • Need for detailed imaging documentation
  • Differentiation from other limb reduction defects

Audit Risk Factors

  • Inadequate documentation of the defect's severity
  • Failure to document associated congenital anomalies
  • Incorrect coding of limb length discrepancies
  • Lack of follow-up documentation for treatment outcomes

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Documentation should include detailed descriptions of the defect, imaging results, and treatment plans. Growth and developmental assessments are also important.

Common Clinical Scenarios

A pediatric patient presents with a noticeable limb length discrepancy and is referred for orthopedic evaluation. Imaging reveals a longitudinal reduction defect of the femur.

Billing Considerations

Coders should be aware of the developmental milestones and how the defect may impact them, as well as the need for multidisciplinary care.

Genetics

Documentation Requirements

Genetic evaluations should include family history, potential syndromic associations, and results of genetic testing if performed.

Common Clinical Scenarios

A child with a longitudinal reduction defect of the femur is evaluated for possible genetic syndromes, leading to genetic counseling and testing.

Billing Considerations

Coders must consider the implications of genetic syndromes that may present with similar limb defects and ensure accurate coding of any identified syndromes.

Coding Guidelines

Inclusion Criteria

Use Q72.4 When
  • Follow official ICD
  • 10 guidelines for coding congenital malformations, ensuring accurate documentation of the defect's nature, associated conditions, and treatment plans

Exclusion Criteria

Do NOT use Q72.4 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27570CPT Code

Lengthening of femur

Clinical Scenario

Used in cases where limb lengthening is required due to a longitudinal reduction defect.

Documentation Requirements

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

Specialty Considerations

Orthopedic specialists 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 more specific coding of congenital conditions, improving the ability to capture the nuances of longitudinal reduction defects and their management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the nuances of longitudinal reduction defects and their management.

Reimbursement & Billing Impact

reimbursement.

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 Q72.4 accurately?

Accurate coding of Q72.4 is crucial for proper reimbursement, tracking of congenital conditions, and ensuring that patients receive appropriate care and interventions. It also aids in research and understanding of congenital limb defects.