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ICD-10 Guide
ICD-10 CodesM87.043

M87.043

Billable

Idiopathic aseptic necrosis of unspecified hand

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

Code Description

ICD-10 M87.043 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of unspecified hand.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the hand 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 deformity in the affected area. The term 'idiopathic' indicates that the exact cause of the necrosis is unknown, which complicates diagnosis and treatment. Aseptic necrosis can occur in various bones, but when it affects the hand, it may involve the carpal bones or metacarpals. Symptoms typically include localized pain, swelling, and reduced range of motion. Diagnosis is often confirmed through imaging studies such as X-rays or MRI, which can reveal changes in bone density and structure. Treatment options may include conservative management with rest and immobilization, physical therapy, or surgical interventions such as bone grafting or joint replacement, depending on the severity of the condition. The management of idiopathic aseptic necrosis requires a multidisciplinary approach, often involving orthopedic specialists, to optimize patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Lack of clear etiology complicates diagnosis.
  • Differentiation from other forms of osteonecrosis is necessary.
  • Requires comprehensive documentation of symptoms and imaging results.
  • Potential for misclassification with other bone conditions.

Audit Risk Factors

  • Inadequate documentation of symptoms and imaging.
  • Failure to specify laterality when applicable.
  • Misuse of related codes for osteomyelitis or other bone infections.
  • Inconsistent treatment documentation.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes, imaging reports, and treatment plans.

Common Clinical Scenarios

Patients presenting with hand pain and limited mobility, requiring imaging to assess bone health.

Billing Considerations

Ensure clear documentation of the absence of infection and the rationale for diagnosis.

Physical Therapy

Documentation Requirements

Progress notes detailing functional assessments and treatment responses.

Common Clinical Scenarios

Rehabilitation of patients post-surgical intervention for necrosis.

Billing Considerations

Document specific functional limitations and goals for therapy.

Coding Guidelines

Inclusion Criteria

Use M87.043 When
  • According to ICD
  • 10 guidelines, M87
  • 043 should be used when the necrosis is confirmed as idiopathic and not due to other known causes
  • Documentation must support the diagnosis, including imaging results and clinical findings

Exclusion Criteria

Do NOT use M87.043 When
  • Exclusion criteria include any documented infections or trauma that could explain the necrosis

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used for joint pain management in patients with necrosis.

Documentation Requirements

Document the indication for the procedure and the patient's response.

Specialty Considerations

Orthopedic specialists should ensure accurate coding based on the procedure performed.

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 data accuracy and treatment tracking. This specificity aids in better understanding the epidemiology of the condition and enhances 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 data accuracy and treatment tracking. This specificity aids in better understanding the epidemiology of the condition and enhances 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 are the common symptoms of idiopathic aseptic necrosis?

Common symptoms include localized pain, swelling, and reduced range of motion in the affected hand. Patients may also experience stiffness and difficulty using the hand for daily activities.