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ICD-10 Guide
ICD-10 CodesM87.032

M87.032

Billable

Idiopathic aseptic necrosis of left radius

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/17/2025

Code Description

ICD-10 M87.032 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of left radius.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the left radius is a condition characterized by the death of bone tissue due to a lack of blood supply, without any identifiable cause. This condition often leads to pain, limited range of motion, and potential joint dysfunction. The left radius, one of the two long bones in the forearm, can be affected, leading to complications such as fractures or deformities. The etiology remains unclear, but factors such as trauma, corticosteroid use, and excessive alcohol consumption may contribute to its development. Diagnosis typically involves imaging studies, including X-rays and MRI, to assess the extent of necrosis and rule out other conditions such as osteomyelitis or malignancy. Treatment options may include conservative management with pain relief and physical therapy, or surgical interventions such as core decompression or bone grafting in more severe cases. Early recognition and management are crucial to prevent further complications and preserve function.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Idiopathic nature makes it difficult to establish a clear diagnosis.
  • Differentiation from other conditions like osteomyelitis requires thorough documentation.
  • Potential for multiple treatment modalities complicates coding.
  • Need for precise imaging documentation to support diagnosis.

Audit Risk Factors

  • Inadequate documentation of clinical findings.
  • Failure to specify laterality (left vs. right).
  • Lack of imaging reports to support diagnosis.
  • Misclassification of the condition as osteomyelitis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with wrist pain, limited mobility, or previous trauma.

Billing Considerations

Ensure clear documentation of the idiopathic nature and any contributing factors.

Radiology

Documentation Requirements

Comprehensive imaging reports detailing findings and interpretations.

Common Clinical Scenarios

Imaging studies performed to assess bone integrity and blood supply.

Billing Considerations

Accurate descriptions of imaging findings are crucial for supporting the diagnosis.

Coding Guidelines

Inclusion Criteria

Use M87.032 When
  • According to ICD
  • 10 guidelines, M87
  • 032 should be used when the condition is confirmed as idiopathic and affects the left radius

Exclusion Criteria

Do NOT use M87.032 When
  • Exclusion criteria include conditions with known causes of osteonecrosis, such as trauma or systemic diseases

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used for pain management in patients with necrosis.

Documentation Requirements

Document the indication for the procedure and any imaging findings.

Specialty Considerations

Orthopedic specialists should ensure clear documentation of the patient's condition.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like M87.032, improving the accuracy of data collection and reimbursement processes. It has also emphasized the need for detailed documentation to support the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M87.032, improving the accuracy of data collection and reimbursement processes. It has also emphasized the need for detailed documentation to support the diagnosis.

Reimbursement & Billing Impact

reimbursement processes. It has also emphasized the need for detailed documentation to support the diagnosis.

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 are the common symptoms of idiopathic aseptic necrosis?

Common symptoms include localized pain, swelling, and limited range of motion in the affected area, often worsening with activity.