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ICD-10 Guide
ICD-10 CodesQ71.51

Q71.51

Billable

Longitudinal reduction defect of right ulna

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

Code Description

ICD-10 Q71.51 is a billable code used to indicate a diagnosis of longitudinal reduction defect of right ulna.

Key Diagnostic Point:

Longitudinal reduction defect of the right 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. The defect may be isolated or associated with other congenital anomalies, such as radial dysplasia or syndromic conditions. Clinically, patients may present with a shortened forearm, altered wrist alignment, and potential difficulties in grasping or manipulating objects. Diagnosis typically involves physical examination and imaging studies, such as X-rays, to assess the degree of reduction and any associated skeletal abnormalities. Management may include orthopedic interventions, such as corrective surgery or the use of prosthetics, to improve function and appearance. Early intervention is crucial for optimizing outcomes and enhancing the 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 for associated congenital anomalies
  • Need for detailed documentation of functional impairment
  • Variations in treatment approaches and outcomes

Audit Risk Factors

  • Inadequate documentation of associated conditions
  • Failure to specify laterality (right vs. left)
  • Lack of clarity on functional limitations
  • Improper coding of related procedures

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include detailed descriptions of the child's developmental milestones, functional abilities, and any interventions undertaken. Growth charts and assessments of limb function are essential.

Common Clinical Scenarios

Common scenarios include a child presenting with a shortened arm, difficulty in grasping objects, or referral for orthopedic evaluation due to suspected limb reduction.

Billing Considerations

Considerations include the age of the child, potential for growth-related changes, and the need for ongoing monitoring of limb function.

Genetics

Documentation Requirements

Genetic documentation should include family history, any syndromic associations, and results from genetic testing if applicable.

Common Clinical Scenarios

Scenarios may involve genetic counseling for families with a history of congenital limb defects or syndromes associated with limb reduction.

Billing Considerations

Considerations include the potential for genetic syndromes that may present with limb reduction defects and the need for comprehensive genetic evaluation.

Coding Guidelines

Inclusion Criteria

Use Q71.51 When
  • Official coding guidelines for congenital conditions emphasize the importance of accurate documentation of the defect, associated conditions, and the impact on function
  • Coders should ensure that the diagnosis is supported by clinical findings and imaging results

Exclusion Criteria

Do NOT use Q71.51 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

20670CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used in conjunction with the diagnosis for joint-related issues arising from limb malformations.

Documentation Requirements

Document the reason for the procedure, including any associated symptoms or functional limitations.

Specialty Considerations

Orthopedic specialists may frequently perform this procedure in managing complications from congenital defects.

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 granularity of data collection and enhancing the ability to track outcomes and resource utilization for patients with longitudinal reduction defects.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the granularity of data collection and enhancing the ability to track outcomes and resource utilization for patients with longitudinal reduction defects.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the granularity of data collection and enhancing the ability to track outcomes and resource utilization for patients with longitudinal reduction defects.

Resources

Clinical References

  • •
    Congenital Limb Defects: A Guide for Clinicians

Coding & Billing References

  • •
    Congenital Limb Defects: A Guide for Clinicians

Frequently Asked Questions

What is the significance of documenting laterality in congenital limb defects?

Documenting laterality is crucial as it affects treatment decisions and coding accuracy. It ensures that the specific limb affected is clearly identified, which is essential for both clinical management and accurate billing.