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ICD-10 Guide
ICD-10 CodesQ71.52

Q71.52

Billable

Longitudinal reduction defect of left ulna

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

Code Description

ICD-10 Q71.52 is a billable code used to indicate a diagnosis of longitudinal reduction defect of left ulna.

Key Diagnostic Point:

The longitudinal reduction defect of the left ulna is a congenital malformation characterized by the underdevelopment or absence of the ulna bone in the forearm. This condition can lead to significant functional impairment, affecting the range of motion and strength of the affected limb. Patients may present with a shortened forearm, altered wrist mechanics, and potential associated deformities in the hand. The defect can occur in isolation or as part of a syndrome involving other skeletal anomalies. Diagnosis is typically made through physical examination and imaging studies, such as X-rays, which reveal the extent of the reduction defect. Management may involve orthopedic interventions, including surgery, to improve function and cosmetic appearance. Early intervention is crucial to optimize outcomes and facilitate normal development in affected children.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of the defect
  • Potential for associated syndromic conditions
  • Need for detailed documentation of physical findings
  • Variations in treatment approaches and follow-up care

Audit Risk Factors

  • Inadequate documentation of the defect's severity
  • Failure to note associated conditions or syndromes
  • Misclassification of the defect type
  • Lack of clarity in treatment plans and outcomes

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed physical examination findings, including limb measurements and functional assessments.

Common Clinical Scenarios

Evaluation of a child with a suspected limb reduction defect during routine pediatric visits or referrals for orthopedic assessment.

Billing Considerations

Consideration of developmental milestones and the impact of the defect on daily activities.

Genetics

Documentation Requirements

Family history, genetic testing results, and any syndromic associations must be documented.

Common Clinical Scenarios

Genetic counseling for families with a history of congenital limb defects or syndromes.

Billing Considerations

Understanding the genetic basis of associated syndromes and implications for family planning.

Coding Guidelines

Inclusion Criteria

Use Q71.52 When
  • Follow the ICD
  • CM guidelines for coding congenital malformations, ensuring accurate documentation of the defect's characteristics and any associated conditions

Exclusion Criteria

Do NOT use Q71.52 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

25400CPT Code

Osteotomy, forearm

Clinical Scenario

Used in surgical correction of longitudinal reduction defects.

Documentation Requirements

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

Specialty Considerations

Orthopedic documentation must detail the nature of the defect and surgical goals.

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.

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.

Reimbursement & Billing Impact

reimbursement processes.

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 Q71.52 accurately?

Accurate coding of Q71.52 is crucial for ensuring appropriate reimbursement, tracking congenital conditions, and facilitating research on limb malformations. It also aids in the provision of targeted care and resources for affected children and their families.