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ICD-10 Guide
ICD-10 CodesM87.02

M87.02

Billable

Idiopathic aseptic necrosis of humerus

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

Code Description

ICD-10 M87.02 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of humerus.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the humerus 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 humeral head and can lead to significant pain, limited range of motion, and potential joint dysfunction. The etiology remains unclear, hence the term 'idiopathic.' Risk factors may include corticosteroid use, alcohol consumption, and certain medical conditions such as sickle cell disease or systemic lupus erythematosus. Patients typically present with shoulder pain that may be exacerbated by activity and may experience stiffness in the joint. Diagnosis is often confirmed through imaging studies, including MRI, which can reveal changes in bone marrow signal and the presence of necrotic areas. Early intervention is crucial to prevent further joint damage and may involve conservative management or surgical options depending on the severity of the condition.

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 orthopedic conditions
  • Variability in treatment approaches and their documentation

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the location of necrosis
  • Misclassification with osteomyelitis or other infections
  • Lack of imaging results in the medical record

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 shoulder pain, limited range of motion, and imaging findings suggestive of necrosis.

Billing Considerations

Ensure clear documentation of the idiopathic nature and exclusion of secondary causes.

Radiology

Documentation Requirements

Comprehensive imaging reports detailing findings consistent with aseptic necrosis.

Common Clinical Scenarios

MRI or X-ray evaluations of patients referred for shoulder pain.

Billing Considerations

Radiologists should clearly indicate the absence of infection to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use M87.02 When
  • According to ICD
  • 10 guidelines, M87
  • 02 should be used when the necrosis is confirmed to be idiopathic and not due to other underlying conditions
  • Documentation must support the diagnosis, including imaging and clinical findings

Exclusion Criteria

Do NOT use M87.02 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

23470CPT Code

Arthroscopy, shoulder, diagnostic, with or without synovial biopsy

Clinical Scenario

Used when assessing joint damage in patients with suspected necrosis.

Documentation Requirements

Document indications for arthroscopy and findings.

Specialty Considerations

Orthopedic surgeons should ensure clear linkage between diagnosis and procedure.

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 M87.02, improving the accuracy of data collection and reimbursement processes. It provides a clearer understanding of the condition's prevalence and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M87.02, improving the accuracy of data collection and reimbursement processes. It provides a clearer understanding of the condition's prevalence and treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. It provides a clearer understanding of the condition's prevalence and treatment outcomes.

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 of the humerus?

Common symptoms include localized shoulder pain, stiffness, and limited range of motion. Patients may experience pain that worsens with activity.