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ICD-10 Guide
ICD-10 CodesM87.033

M87.033

Billable

Idiopathic aseptic necrosis of unspecified radius

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

Code Description

ICD-10 M87.033 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of unspecified radius.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the radius is a condition characterized by the death of bone tissue due to a lack of blood supply, without the presence of infection. This condition can lead to significant pain, loss of function, and potential deformity in the affected limb. The etiology remains unknown, hence the term 'idiopathic.' Aseptic necrosis can occur in various bones, but when it affects the radius, it may result from factors such as trauma, corticosteroid use, or excessive alcohol consumption, although these are not always identifiable. Clinically, patients may present with localized pain, swelling, and reduced range of motion in the wrist or forearm. Diagnosis typically involves imaging studies such as X-rays or MRI to assess bone integrity and blood flow. Treatment options may include conservative management with pain relief and physical therapy, or surgical interventions like core decompression or bone grafting in more severe cases. Understanding the implications of this condition is crucial for orthopedic specialists and medical coders alike, as it can lead to complications such as osteoarthritis or chronic pain syndromes if not managed appropriately.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Lack of clear etiology complicates diagnosis and coding.
  • Differentiation from other forms of osteonecrosis is necessary.
  • Potential for overlapping symptoms with other orthopedic conditions.
  • Requires thorough documentation to support the diagnosis.

Audit Risk Factors

  • Insufficient documentation of symptoms and clinical findings.
  • Inadequate justification for the diagnosis of idiopathic nature.
  • Failure to document treatment plans and outcomes.
  • Misclassification of the condition as osteomyelitis or other infections.

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed clinical notes including history, physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with wrist pain, limited mobility, and imaging findings suggestive of necrosis.

Billing Considerations

Ensure clear documentation of the idiopathic nature and exclusion of other causes of necrosis.

Physical Medicine and Rehabilitation

Documentation Requirements

Comprehensive assessment of functional limitations and rehabilitation goals.

Common Clinical Scenarios

Patients requiring rehabilitation post-surgery or conservative management for pain relief.

Billing Considerations

Documenting progress and response to therapy is crucial for ongoing treatment coding.

Coding Guidelines

Inclusion Criteria

Use M87.033 When
  • According to ICD
  • 10 guidelines, M87
  • 033 should be used when the diagnosis of idiopathic aseptic necrosis is confirmed, and no other underlying conditions are present
  • It is essential to document the absence of infection and other causes of bone necrosis

Exclusion Criteria

Do NOT use M87.033 When
No specific exclusions found.

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-related joint pain.

Documentation Requirements

Document the indication for the procedure and any findings.

Specialty Considerations

Orthopedic specialists should ensure clear documentation of the joint involved.

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 idiopathic aseptic necrosis, improving the accuracy of patient records and reimbursement processes. This specificity aids in better tracking of treatment outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like idiopathic aseptic necrosis, improving the accuracy of patient records and reimbursement processes. This specificity aids in better tracking of treatment outcomes and resource allocation.

Reimbursement & Billing Impact

reimbursement processes. This specificity aids in better tracking of treatment outcomes and resource allocation.

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 primary cause of idiopathic aseptic necrosis?

The primary cause remains unknown, but it is often associated with factors such as trauma, corticosteroid use, and excessive alcohol consumption.

How is idiopathic aseptic necrosis diagnosed?

Diagnosis is typically made through imaging studies like X-rays or MRI, which reveal changes in bone structure and blood flow.

What are the treatment options for this condition?

Treatment may include conservative management with pain relief and physical therapy, or surgical options like core decompression or bone grafting in more severe cases.