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ICD-10 Guide
ICD-10 CodesM87.163

M87.163

Billable

Osteonecrosis due to drugs, unspecified tibia

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

Code Description

ICD-10 M87.163 is a billable code used to indicate a diagnosis of osteonecrosis due to drugs, unspecified tibia.

Key Diagnostic Point:

Osteonecrosis due to drugs, particularly affecting the tibia, is a condition characterized by the death of bone tissue due to a lack of blood supply, often precipitated by the use of certain medications. This condition can arise from various pharmacological agents, including corticosteroids, bisphosphonates, and chemotherapy drugs. The tibia, being a weight-bearing bone, is particularly susceptible to the effects of osteonecrosis, leading to pain, swelling, and potential joint dysfunction. Clinically, patients may present with localized pain that worsens with activity and may be accompanied by swelling or tenderness over the affected area. Imaging studies, such as MRI or X-rays, are essential for diagnosis, revealing characteristic changes in bone density and structure. Early intervention is crucial to prevent further complications, including the risk of fracture or the need for surgical intervention. Treatment options may include medication adjustments, physical therapy, or surgical procedures such as core decompression or joint replacement, depending on the severity of the condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of drugs that can cause osteonecrosis, complicating diagnosis.
  • Need for detailed documentation of drug history and duration of use.
  • Differentiation from other bone conditions like osteomyelitis.
  • Potential for multiple codes related to the same patient condition.

Audit Risk Factors

  • Inadequate documentation of drug history.
  • Failure to specify the affected bone accurately.
  • Misdiagnosis or confusion with osteomyelitis.
  • Lack of imaging studies to support the diagnosis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Comprehensive documentation of patient history, including medication use, imaging results, and clinical findings.

Common Clinical Scenarios

Patients presenting with chronic pain in the tibia after prolonged corticosteroid use.

Billing Considerations

Orthopedic surgeons should ensure that all relevant imaging studies are included in the documentation to support the diagnosis.

Rheumatology

Documentation Requirements

Detailed records of systemic conditions and medications that may contribute to osteonecrosis.

Common Clinical Scenarios

Patients with autoimmune disorders on long-term immunosuppressive therapy presenting with bone pain.

Billing Considerations

Rheumatologists should document the rationale for medication choices and any changes in therapy.

Coding Guidelines

Inclusion Criteria

Use M87.163 When
  • According to ICD
  • 10 coding guidelines, M87
  • 163 should be used when osteonecrosis is confirmed to be drug
  • induced and specifically affects the tibia
  • Documentation must clearly indicate the causative drug and the duration of use
  • related causes

Exclusion Criteria

Do NOT use M87.163 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 for joint pain management in patients with osteonecrosis.

Documentation Requirements

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

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 osteonecrosis, enabling better tracking of drug-related cases and improving the quality of care through targeted interventions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, enabling better tracking of drug-related cases and improving the quality of care through targeted interventions.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of osteonecrosis, enabling better tracking of drug-related cases and improving the quality of care through targeted interventions.

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 medications that can cause osteonecrosis?

Common medications include corticosteroids, bisphosphonates, and certain chemotherapy agents. It is essential to document any history of these medications when coding for osteonecrosis.