ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesM87.045

M87.045

Billable

Idiopathic aseptic necrosis of left finger(s)

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

Code Description

ICD-10 M87.045 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of left finger(s).

Key Diagnostic Point:

Idiopathic aseptic necrosis of the left finger(s) refers to the condition where there is a localized death of bone tissue in the fingers due to a lack of blood supply, without any identifiable cause. This condition is characterized by the absence of infection (aseptic) and can lead to significant pain, swelling, and functional impairment of the affected fingers. The necrosis occurs when the blood supply to the bone is disrupted, leading to bone cell death. In the case of the fingers, this can result from various factors, including trauma, vascular issues, or systemic diseases, although in idiopathic cases, no specific cause can be determined. Patients may present with symptoms such as localized pain, tenderness, and decreased range of motion in the affected fingers. Diagnosis typically involves imaging studies, such as X-rays or MRI, to assess the extent of necrosis and rule out other conditions like osteomyelitis or fractures. Treatment options may include conservative management with pain relief, physical therapy, or surgical intervention in severe cases to restore blood flow or remove necrotic tissue.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating from other types of necrosis or osteomyelitis
  • Need for precise documentation of symptoms and imaging results
  • Potential for misclassification with similar codes
  • Understanding of idiopathic nature and its implications

Audit Risk Factors

  • Insufficient documentation of the idiopathic nature of the condition
  • Lack of imaging results to support diagnosis
  • Inadequate detail on the patient's symptoms and treatment plan
  • Misuse of related codes leading to potential upcoding or downcoding

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes on the patient's history, physical examination findings, imaging results, and treatment plan.

Common Clinical Scenarios

Patients presenting with unexplained finger pain, history of trauma, or vascular issues.

Billing Considerations

Orthopedic specialists should ensure that all imaging studies are clearly documented to support the diagnosis of idiopathic aseptic necrosis.

Rheumatology

Documentation Requirements

Comprehensive assessment of systemic conditions that may contribute to bone health, including autoimmune disorders.

Common Clinical Scenarios

Patients with a history of autoimmune diseases presenting with localized bone pain.

Billing Considerations

Rheumatologists should document any systemic factors that could influence bone health to rule out secondary causes.

Coding Guidelines

Inclusion Criteria

Use M87.045 When
  • According to ICD
  • 10 coding guidelines, M87
  • 045 should be used when there is clear documentation of idiopathic aseptic necrosis of the left finger(s) with no evidence of infection
  • It is important to ensure that the diagnosis is supported by imaging studies and that the clinical documentation reflects the idiopathic nature of the condition

Exclusion Criteria

Do NOT use M87.045 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 when a patient with idiopathic aseptic necrosis requires joint aspiration for diagnostic or therapeutic purposes.

Documentation Requirements

Document the indication for the procedure, findings, and any therapeutic interventions performed.

Specialty Considerations

Orthopedic specialists should ensure that the procedure is justified based on clinical findings.

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 helps in better tracking of outcomes and resource utilization.

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 helps in better tracking of outcomes and resource utilization.

Reimbursement & Billing Impact

reimbursement processes. This specificity helps in better tracking of outcomes and resource utilization.

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, tenderness in the affected finger(s), and decreased range of motion.

How is idiopathic aseptic necrosis diagnosed?

Diagnosis is typically made through imaging studies such as X-rays or MRI, which reveal areas of necrosis without signs of infection.

What treatment options are available for this condition?

Treatment may include conservative management with pain relief and physical therapy, or surgical options to restore blood flow or remove necrotic tissue.