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ICD-10 Guide
ICD-10 CodesM87.174

M87.174

Billable

Osteonecrosis due to drugs, right foot

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

Code Description

ICD-10 M87.174 is a billable code used to indicate a diagnosis of osteonecrosis due to drugs, right 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 M87.174, the osteonecrosis is specifically attributed to drug use, which can include corticosteroids, bisphosphonates, and other medications that may compromise blood flow to the bone. The right foot is affected, which can lead to significant pain, limited mobility, and potential complications such as fractures or joint collapse. Patients may present with symptoms including localized pain, swelling, and difficulty bearing weight on the affected foot. Diagnosis typically involves imaging studies such as X-rays or MRI to assess the extent of bone damage. 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 etiology and management of drug-induced osteonecrosis is crucial for effective treatment and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between osteonecrosis and other bone conditions such as osteomyelitis.
  • Identifying the specific drug responsible for the osteonecrosis.
  • Documenting the extent of bone involvement accurately.
  • Understanding the patient's medical history and medication use.

Audit Risk Factors

  • Inadequate documentation of the drug causing osteonecrosis.
  • 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 foot pain after corticosteroid therapy.

Billing Considerations

Ensure clear documentation of the relationship between drug use and osteonecrosis.

Rheumatology

Documentation Requirements

Comprehensive medication history and assessment of underlying conditions.

Common Clinical Scenarios

Patients with autoimmune disorders on long-term steroid therapy developing foot pain.

Billing Considerations

Document the rationale for medication use and any changes made due to osteonecrosis.

Coding Guidelines

Inclusion Criteria

Use M87.174 When
  • According to ICD
  • 10 guidelines, M87
  • 174 should be used when osteonecrosis is specifically due to drug use
  • Coders must ensure that the documentation supports the diagnosis and that the right foot is clearly indicated as the affected site
  • related causes

Exclusion Criteria

Do NOT use M87.174 When
  • Exclusion criteria include osteonecrosis due to trauma or other non

Related ICD-10 Codes

Related CPT Codes

20610CPT Code

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

Clinical Scenario

Used when a patient with osteonecrosis requires joint aspiration for pain relief.

Documentation Requirements

Document the indication for the procedure and any findings.

Specialty Considerations

Orthopedic specialists 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 conditions like osteonecrosis, improving the accuracy of data collection and reimbursement processes. M87.174 provides a clear distinction for osteonecrosis due to drugs, which was less defined in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like osteonecrosis, improving the accuracy of data collection and reimbursement processes. M87.174 provides a clear distinction for osteonecrosis due to drugs, which was less defined in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. M87.174 provides a clear distinction for osteonecrosis due to drugs, which was less defined in ICD-9.

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 M87.174 is drug use, particularly medications that impair blood flow to the bone, such as corticosteroids.