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ICD-10 Guide
ICD-10 CodesM87.322

M87.322

Billable

Other secondary osteonecrosis, left humerus

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

Code Description

ICD-10 M87.322 is a billable code used to indicate a diagnosis of other secondary osteonecrosis, left humerus.

Key Diagnostic Point:

Osteonecrosis, also known as avascular necrosis, is a condition characterized by the death of bone tissue due to a lack of blood supply. In the case of M87.322, the osteonecrosis is secondary, meaning it arises as a complication of another underlying condition or factor, such as corticosteroid use, alcohol abuse, or trauma. The left humerus, which is the long bone in the upper arm, is specifically affected in this diagnosis. Patients may present with symptoms such as pain, limited range of motion, and swelling in the shoulder or upper arm. Diagnosis typically involves imaging studies like MRI or X-rays, which can reveal changes in bone density and structure. Treatment options may include conservative management with pain relief and physical therapy, or surgical interventions such as core decompression or joint replacement in more severe cases. Understanding the underlying causes and the specific location of the osteonecrosis is crucial for effective management and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between primary and secondary osteonecrosis.
  • Identifying the underlying conditions contributing to osteonecrosis.
  • Accurate documentation of the affected site (left humerus).
  • Understanding the implications of associated conditions like osteomyelitis.

Audit Risk Factors

  • Inadequate documentation of the underlying cause of osteonecrosis.
  • Failure to specify the affected site accurately.
  • Misclassification of primary versus secondary osteonecrosis.
  • Lack of supporting imaging studies 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 mobility, or after corticosteroid therapy.

Billing Considerations

Ensure clear documentation of the diagnosis and any associated conditions to support coding.

Rheumatology

Documentation Requirements

Comprehensive assessment of underlying systemic conditions that may contribute to osteonecrosis.

Common Clinical Scenarios

Patients with autoimmune diseases or those on long-term corticosteroid therapy.

Billing Considerations

Documenting the relationship between systemic conditions and osteonecrosis is crucial for accurate coding.

Coding Guidelines

Inclusion Criteria

Use M87.322 When
  • According to ICD
  • 10 guidelines, M87
  • 322 should be used when osteonecrosis is confirmed as secondary to another condition
  • Coders must ensure that the underlying cause is documented and that the left humerus is specified as the affected site

Exclusion Criteria

Do NOT use M87.322 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

23470CPT Code

Arthroscopy, shoulder, surgical

Clinical Scenario

Used when surgical intervention is required for osteonecrosis.

Documentation Requirements

Operative reports detailing the procedure and findings.

Specialty Considerations

Orthopedic documentation must clearly link the procedure to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, enabling better tracking of secondary causes and improving patient care through targeted treatment plans.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, enabling better tracking of secondary causes and improving patient care through targeted treatment plans.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, enabling better tracking of secondary causes and improving patient care through targeted treatment plans.

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 causes of secondary osteonecrosis?

Common causes include corticosteroid use, alcohol abuse, trauma, and certain medical conditions such as lupus or sickle cell disease.