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ICD-10 Guide
ICD-10 CodesM87.03

M87.03

Billable

Idiopathic aseptic necrosis of radius, ulna and carpus

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

Code Description

ICD-10 M87.03 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of radius, ulna and carpus.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the radius, ulna, and carpus is a condition characterized by the death of bone tissue due to a lack of blood supply, without the presence of infection. This condition often occurs in the wrist and forearm bones, leading to pain, swelling, and potential loss of function. The etiology remains unclear, hence the term 'idiopathic.' Patients may present with gradual onset of pain, particularly with movement, and may experience joint stiffness. Diagnosis typically involves imaging studies such as X-rays or MRI, which can reveal changes in bone density and structure. Treatment options vary and may include conservative management with rest and physical therapy, or surgical interventions in more severe cases. The condition can lead to significant orthopedic complications, including joint deformity and chronic pain if not managed appropriately.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Idiopathic nature complicates diagnosis and documentation.
  • Differentiation from other forms of osteonecrosis is required.
  • Potential for overlapping symptoms with other orthopedic conditions.
  • Need for precise imaging documentation to support diagnosis.

Audit Risk Factors

  • Insufficient documentation of clinical findings.
  • Lack of imaging reports to support diagnosis.
  • Inconsistent treatment documentation.
  • Failure to differentiate from infectious osteomyelitis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with wrist pain and limited range of motion, often after a period of inactivity.

Billing Considerations

Ensure clear documentation of the idiopathic nature and exclusion of other conditions.

Radiology

Documentation Requirements

Comprehensive imaging reports detailing findings related to bone necrosis.

Common Clinical Scenarios

Imaging studies performed for patients with suspected osteonecrosis.

Billing Considerations

Radiologists should provide clear descriptions of imaging findings to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use M87.03 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the idiopathic nature of the condition
  • Include imaging results and clinical findings that support the diagnosis

Exclusion Criteria

Do NOT use M87.03 When
  • Exclude codes for osteomyelitis or other infectious processes

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used for patients with joint effusion due to necrosis.

Documentation Requirements

Document the reason for the procedure and findings.

Specialty Considerations

Orthopedic specialists should ensure clear linkage between the procedure and the diagnosis.

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 data collection and reimbursement processes. This specificity aids in better understanding the epidemiology and treatment outcomes of the condition.

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 data collection and reimbursement processes. This specificity aids in better understanding the epidemiology and treatment outcomes of the condition.

Reimbursement & Billing Impact

reimbursement processes. This specificity aids in better understanding the epidemiology and treatment outcomes of the condition.

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 believed to involve compromised blood supply to the bone, potentially influenced by factors such as trauma, corticosteroid use, or systemic diseases.