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ICD-10 Guide
ICD-10 CodesM87.275

M87.275

Billable

Osteonecrosis due to previous trauma, left foot

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

Code Description

ICD-10 M87.275 is a billable code used to indicate a diagnosis of osteonecrosis due to previous trauma, left foot.

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 M87.275, the osteonecrosis is specifically attributed to previous trauma affecting the left foot. This condition can arise after fractures, dislocations, or other significant injuries that compromise the blood supply to the bone. The left foot may exhibit symptoms such as pain, swelling, and limited range of motion, which can significantly impact mobility and quality of life. Diagnosis typically involves imaging studies such as X-rays or MRI to assess the extent of bone damage and to rule out other conditions like osteomyelitis, which is an infection of the bone. Treatment options may include conservative management with pain relief and physical therapy, or surgical interventions such as core decompression or joint replacement in severe 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 conditions like osteomyelitis.
  • Need for precise documentation of prior trauma.
  • Potential for co-morbid conditions affecting the foot.

Audit Risk Factors

  • Inadequate documentation of prior trauma.
  • Failure to specify the affected foot.
  • Misdiagnosis or confusion with 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-fracture complications, chronic pain management, surgical interventions.

Billing Considerations

Ensure clear documentation of the trauma's impact on blood supply.

Physical Medicine and Rehabilitation

Documentation Requirements

Functional assessments, rehabilitation goals, and progress notes.

Common Clinical Scenarios

Rehabilitation post-surgery, pain management strategies.

Billing Considerations

Focus on functional outcomes and patient mobility.

Coding Guidelines

Inclusion Criteria

Use M87.275 When
  • According to ICD
  • 10 coding guidelines, M87
  • 275 should be used when osteonecrosis is directly linked to prior trauma
  • Coders must ensure that the documentation supports the diagnosis and that the left foot is specified

Exclusion Criteria

Do NOT use M87.275 When
  • Exclusion criteria include conditions not related to trauma

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

Used for pain management in osteonecrosis cases.

Documentation Requirements

Document the indication for the procedure and any imaging performed.

Specialty Considerations

Orthopedic specialists often perform this procedure.

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 patient records and treatment plans. M87.275 provides a clear link between trauma and the resulting condition, which is essential for appropriate management and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, improving the accuracy of patient records and treatment plans. M87.275 provides a clear link between trauma and the resulting condition, which is essential for appropriate management and reimbursement.

Reimbursement & Billing Impact

reimbursement.

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 M87.275?

The primary cause is previous trauma that disrupts blood supply to the bone, leading to tissue death.