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ICD-10 Guide
ICD-10 CodesM87.212

M87.212

Billable

Osteonecrosis due to previous trauma, left shoulder

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

Code Description

ICD-10 M87.212 is a billable code used to indicate a diagnosis of osteonecrosis due to previous trauma, left shoulder.

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 M87.212, the osteonecrosis is specifically attributed to previous trauma to the left shoulder. This condition can occur after fractures, dislocations, or other injuries that compromise the blood supply to the bone. The left shoulder, being a complex joint, is particularly susceptible to such injuries, which can lead to significant pain, limited range of motion, and functional impairment. Clinically, patients may present with shoulder pain that worsens with activity, stiffness, and swelling. Diagnosis typically involves imaging studies such as X-rays or MRI to assess the extent of bone damage and to rule out other conditions such as osteomyelitis or arthritis. Treatment options may include conservative management with pain relief and physical therapy, or surgical interventions such as core decompression or joint replacement in advanced cases. Understanding the underlying cause of osteonecrosis is crucial for effective management and prevention of further complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of the relationship between trauma and osteonecrosis.
  • Differentiation from other similar conditions like osteomyelitis.
  • Need for precise documentation of prior trauma.
  • Potential for multiple codes if co-morbid conditions are present.

Audit Risk Factors

  • Inadequate documentation of prior trauma.
  • Failure to specify the affected site (left shoulder).
  • Misclassification of osteonecrosis as osteomyelitis.
  • Lack of imaging studies to support diagnosis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed history of trauma, imaging results, and treatment plans.

Common Clinical Scenarios

Post-traumatic shoulder pain, limited range of motion, and joint instability.

Billing Considerations

Ensure clear documentation of the mechanism of injury and any prior treatments.

Radiology

Documentation Requirements

Comprehensive imaging reports that detail findings related to osteonecrosis.

Common Clinical Scenarios

MRI findings indicating bone marrow edema or necrosis.

Billing Considerations

Radiologists should correlate imaging findings with clinical history to ensure accurate coding.

Coding Guidelines

Inclusion Criteria

Use M87.212 When
  • According to ICD
  • 10 guidelines, M87
  • 212 should be used when osteonecrosis is specifically due to previous trauma
  • Coders must ensure that the documentation supports the diagnosis and that the left shoulder is clearly identified as the affected site

Exclusion Criteria

Do NOT use M87.212 When
  • Exclusions include conditions not related to trauma

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 osteonecrosis.

Documentation Requirements

Document indications for arthroscopy and findings.

Specialty Considerations

Orthopedic surgeons 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 osteonecrosis, improving the accuracy of data collection and reimbursement. M87.212 provides a clear distinction between trauma-related osteonecrosis and other types, enhancing clinical understanding and treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, improving the accuracy of data collection and reimbursement. M87.212 provides a clear distinction between trauma-related osteonecrosis and other types, enhancing clinical understanding and treatment planning.

Reimbursement & Billing Impact

reimbursement. M87.212 provides a clear distinction between trauma-related osteonecrosis and other types, enhancing clinical understanding and treatment planning.

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 primary cause of osteonecrosis in this code?

The primary cause of osteonecrosis in M87.212 is previous trauma to the left shoulder, which disrupts blood supply to the bone.