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ICD-10 Guide
ICD-10 CodesM87.022

M87.022

Billable

Idiopathic aseptic necrosis of left humerus

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

Code Description

ICD-10 M87.022 is a billable code used to indicate a diagnosis of idiopathic aseptic necrosis of left humerus.

Key Diagnostic Point:

Idiopathic aseptic necrosis of the left 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 humerus, the long bone of the upper arm, and is typically seen in young adults and middle-aged individuals. The etiology remains unclear, hence the term 'idiopathic.' Patients may present with pain, limited range of motion, and functional impairment of the shoulder joint. Diagnosis is often confirmed through imaging studies such as MRI or X-rays, which reveal characteristic changes in bone density and structure. Treatment options may include conservative management with physical therapy and pain relief, or surgical interventions such as core decompression or joint replacement in advanced cases. The absence of infection differentiates this condition from osteomyelitis, which is an infection of the bone that can lead to similar symptoms but requires different management strategies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from osteomyelitis and other bone infections
  • Need for precise documentation of idiopathic nature
  • Variability in treatment approaches and outcomes
  • Potential for co-morbid conditions affecting coding

Audit Risk Factors

  • Inadequate documentation of the idiopathic nature of the condition
  • Failure to document imaging studies that support diagnosis
  • Misclassification as osteomyelitis or other bone conditions
  • Inconsistent coding of associated symptoms or complications

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes including patient history, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with shoulder pain and limited mobility, often after a history of trauma or risk factors such as corticosteroid use.

Billing Considerations

Ensure that the idiopathic nature is clearly documented to avoid confusion with other forms of necrosis.

Radiology

Documentation Requirements

Clear imaging reports that detail findings consistent with aseptic necrosis.

Common Clinical Scenarios

Imaging studies performed for patients with shoulder pain to rule out fractures or infections.

Billing Considerations

Radiologists should specify the absence of infection in their reports to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use M87.022 When
  • According to ICD
  • 10 coding guidelines, M87
  • 022 should be used when the condition is confirmed as idiopathic and not due to trauma or infection
  • Documentation must support the diagnosis, including imaging results and clinical findings

Exclusion Criteria

Do NOT use M87.022 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

23470CPT Code

Arthroscopy, shoulder, diagnostic

Clinical Scenario

Used when assessing shoulder pain potentially related to necrosis.

Documentation Requirements

Document the reason for the procedure and findings.

Specialty Considerations

Orthopedic surgeons should ensure clear documentation of findings to support coding.

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 M87.022, improving the accuracy of data collection and reimbursement processes. It has also facilitated better tracking of idiopathic conditions and their management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like M87.022, improving the accuracy of data collection and reimbursement processes. It has also facilitated better tracking of idiopathic conditions and their management.

Reimbursement & Billing Impact

reimbursement processes. It has also facilitated better tracking of idiopathic conditions and their management.

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 difference between aseptic necrosis and osteomyelitis?

Aseptic necrosis is the death of bone tissue due to lack of blood supply without infection, while osteomyelitis is an infection of the bone that requires different treatment and coding.