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ICD-10 Guide
ICD-10 CodesM87.162

M87.162

Billable

Osteonecrosis due to drugs, left tibia

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

Code Description

ICD-10 M87.162 is a billable code used to indicate a diagnosis of osteonecrosis due to drugs, left tibia.

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 M87.162, the osteonecrosis is specifically attributed to drug use, which can include corticosteroids, chemotherapy agents, and other medications that may compromise blood flow to the bone. The left tibia is the specific site affected in this diagnosis. Patients may present with pain, swelling, and limited mobility in the affected limb. The condition can lead to joint dysfunction and may progress to osteoarthritis if not managed appropriately. Diagnosis typically involves imaging studies such as MRI or X-rays to assess bone integrity and blood flow. Treatment options may include medication adjustments, physical therapy, or surgical interventions such as core decompression or joint replacement, depending on the severity of the condition. Understanding the underlying causes and appropriate management strategies is crucial for optimal patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires knowledge of drug-induced conditions and their effects on bone health.
  • Differentiating between osteonecrosis and other bone pathologies.
  • Need for precise documentation of drug history and related comorbidities.
  • Potential for multiple codes related to complications or associated conditions.

Audit Risk Factors

  • Inadequate documentation of drug history.
  • Failure to specify the affected site accurately.
  • Misclassification of osteonecrosis as osteomyelitis.
  • Lack of supporting imaging studies in the medical record.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed history of medication use, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with joint pain and a history of corticosteroid use.

Billing Considerations

Ensure that the documentation clearly links the drug use to the osteonecrosis diagnosis.

Rheumatology

Documentation Requirements

Comprehensive assessment of autoimmune conditions and their treatments.

Common Clinical Scenarios

Patients with rheumatoid arthritis on long-term corticosteroids developing osteonecrosis.

Billing Considerations

Document the relationship between systemic disease, treatment, and bone health.

Coding Guidelines

Inclusion Criteria

Use M87.162 When
  • According to ICD
  • 10 coding guidelines, M87
  • 162 should be used when osteonecrosis is specifically due to drug use, and the left tibia is the affected site
  • Coders must ensure that the documentation supports the diagnosis and includes details about the causative drugs

Exclusion Criteria

Do NOT use M87.162 When
No specific exclusions found.

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 patients with osteonecrosis.

Documentation Requirements

Document the indication for the procedure and the patient's response.

Specialty Considerations

Orthopedic specialists may perform this procedure for symptomatic relief.

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 osteonecrosis, enabling better tracking of drug-related complications and improving patient care through targeted interventions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like osteonecrosis, enabling better tracking of drug-related complications and improving patient care through targeted interventions.

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 are the common causes of osteonecrosis?

Common causes include long-term use of corticosteroids, excessive alcohol consumption, trauma, and certain medical conditions such as lupus or sickle cell disease.