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ICD-10 Guide
ICD-10 CodesM87.134

M87.134

Billable

Osteonecrosis due to drugs of right ulna

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

Code Description

ICD-10 M87.134 is a billable code used to indicate a diagnosis of osteonecrosis due to drugs of right ulna.

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 M87.134, the osteonecrosis is specifically attributed to the use of certain medications, which can disrupt blood flow to the bone. The right ulna, one of the two long bones in the forearm, is affected in this scenario. Commonly implicated drugs include corticosteroids and bisphosphonates, which are used in various conditions such as autoimmune diseases and osteoporosis. Patients may present with pain, limited range of motion, and swelling in the affected area. Diagnosis typically involves imaging studies such as MRI or X-rays, which can reveal changes in the bone structure. Early detection is crucial to prevent further complications, including fractures or joint collapse. 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.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Specificity of the drug causing osteonecrosis
  • Need for detailed documentation of medication history
  • Differentiation from other types of osteonecrosis
  • Potential for multiple codes related to underlying conditions

Audit Risk Factors

  • Inadequate documentation of drug history
  • Failure to specify the affected bone
  • Misclassification of osteonecrosis as osteomyelitis
  • Lack of imaging reports to support diagnosis

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on patient history, 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 states the relationship between drug use and osteonecrosis.

Rheumatology

Documentation Requirements

Comprehensive medication lists and rationale for drug use.

Common Clinical Scenarios

Patients with autoimmune disorders on long-term steroid therapy.

Billing Considerations

Document the indication for medication and any monitoring for side effects.

Coding Guidelines

Inclusion Criteria

Use M87.134 When
  • According to ICD
  • 10 guidelines, M87
  • 134 should be used when osteonecrosis is specifically due to drug use
  • Coders must ensure that the documentation supports the diagnosis and that the specific drug is identified
  • related factors

Exclusion Criteria

Do NOT use M87.134 When
  • Exclusion criteria include cases where osteonecrosis is 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 treating joint pain associated with osteonecrosis.

Documentation Requirements

Document the indication for the procedure and the joint involved.

Specialty Considerations

Orthopedic specialists should ensure clear linkage between the procedure and the diagnosis.

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. This specificity aids in research and quality improvement initiatives.

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. This specificity aids in research and quality improvement initiatives.

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 medications are commonly associated with osteonecrosis?

Corticosteroids and bisphosphonates are the most commonly associated medications with osteonecrosis, particularly in long-term use.