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ICD-10 Guide
ICD-10 CodesM87.037

M87.037

Billable

Idiopathic aseptic necrosis of right carpus

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

Code Description

ICD-10 M87.037 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of right carpus.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the right carpus is a condition characterized by the death of bone tissue due to a lack of blood supply, specifically affecting the carpal bones in the wrist. This condition is termed 'idiopathic' because the exact cause remains unknown, although it is believed to be associated with factors such as trauma, corticosteroid use, and certain medical conditions. The necrosis leads to pain, swelling, and limited range of motion in the wrist, which can significantly impact daily activities. Diagnosis typically involves imaging studies such as X-rays or MRI to visualize the affected bones and assess the extent of necrosis. Treatment options may include conservative management with rest and immobilization, physical therapy, or surgical interventions such as core decompression or bone grafting in more severe cases. Early diagnosis and intervention are crucial to prevent further joint damage and restore function.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other types of osteonecrosis
  • Need for precise documentation of symptoms and imaging findings
  • Potential overlap with other conditions affecting the wrist
  • Variability in treatment approaches and their documentation

Audit Risk Factors

  • Inadequate documentation of the idiopathic nature of the condition
  • Failure to document imaging results that support the diagnosis
  • Lack of clarity on treatment plans and their rationale
  • Misclassification with other osteonecrosis codes

Specialty Focus

Medical Specialties

Orthopedics

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 history of trauma or corticosteroid use.

Billing Considerations

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

Radiology

Documentation Requirements

Comprehensive imaging reports detailing findings related to necrosis and any differential diagnoses.

Common Clinical Scenarios

Imaging studies requested for wrist pain with suspected osteonecrosis.

Billing Considerations

Accurate reporting of imaging findings is critical for supporting the diagnosis.

Coding Guidelines

Inclusion Criteria

Use M87.037 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the diagnosis is supported by clinical documentation and imaging studies

Exclusion Criteria

Do NOT use M87.037 When
  • Exclude other conditions that may cause similar symptoms or findings

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used when joint aspiration is performed to relieve pain or inject medication.

Documentation Requirements

Document the indication for the procedure and any findings during the aspiration.

Specialty Considerations

Orthopedic specialists should ensure that the procedure is linked to the diagnosis of osteonecrosis.

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.

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.

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 primary cause of idiopathic aseptic necrosis?

The primary cause remains unknown, but factors such as trauma, corticosteroid use, and certain medical conditions may contribute to the development of the condition.