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ICD-10 Guide
ICD-10 CodesM84.477

M84.477

Billable

Pathological fracture, right toe(s)

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

Code Description

ICD-10 M84.477 is a billable code used to indicate a diagnosis of pathological fracture, right toe(s).

Key Diagnostic Point:

A pathological fracture of the right toe(s) occurs when a bone breaks in response to a disease process rather than due to an acute injury. This type of fracture is often associated with underlying conditions such as osteoporosis, which is characterized by decreased bone density and increased fragility. In patients with osteoporosis, even minor stress or trauma can lead to fractures. Pathological fractures can also arise from other bone metabolism disorders, such as Paget's disease or metastatic cancer, where the structural integrity of the bone is compromised. The right toe(s) may be affected due to localized conditions or systemic diseases that weaken the bone. Diagnosis typically involves imaging studies, such as X-rays, to confirm the fracture and assess the underlying bone condition. Treatment may include pain management, stabilization of the fracture, and addressing the underlying bone density disorder to prevent future fractures. Understanding the patient's medical history and risk factors is crucial for effective management and coding of this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires knowledge of underlying bone density disorders.
  • Differentiation from traumatic fractures.
  • Need for comprehensive patient history.
  • Potential for multiple co-existing conditions.

Audit Risk Factors

  • Inadequate documentation of the underlying condition.
  • Failure to specify the exact location of the fracture.
  • Misclassification as a traumatic fracture.
  • Lack of imaging reports to support the diagnosis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed imaging reports, patient history of bone disorders, and treatment plans.

Common Clinical Scenarios

Patients presenting with fractures after minimal trauma, history of osteoporosis, or other metabolic bone diseases.

Billing Considerations

Ensure accurate documentation of the fracture type and underlying conditions to support coding.

Endocrinology

Documentation Requirements

Assessment of bone density, laboratory results indicating metabolic bone disease, and treatment history.

Common Clinical Scenarios

Patients with osteoporosis or other metabolic bone disorders experiencing fractures.

Billing Considerations

Focus on the management of the underlying condition to prevent future fractures.

Coding Guidelines

Inclusion Criteria

Use M84.477 When
  • According to ICD
  • 10 guidelines, M84
  • 477 should be used when a pathological fracture is confirmed, and the underlying condition is documented
  • It is essential to ensure that the fracture is not due to a traumatic event, as this would require a different code
  • Documentation must clearly indicate the nature of the fracture and any contributing factors

Exclusion Criteria

Do NOT use M84.477 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 when a patient with a pathological fracture requires joint aspiration for pain management.

Documentation Requirements

Document the reason for the procedure, including the fracture and any underlying conditions.

Specialty Considerations

Orthopedic specialists should ensure that the procedure is justified based on the patient's condition.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of pathological fractures, improving the ability to capture the complexity of these cases. M84.477 provides a clear distinction between traumatic and pathological fractures, which is crucial for treatment and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of pathological fractures, improving the ability to capture the complexity of these cases. M84.477 provides a clear distinction between traumatic and pathological fractures, which is crucial for treatment 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 difference between a pathological fracture and a traumatic fracture?

A pathological fracture occurs due to underlying disease processes that weaken the bone, while a traumatic fracture results from an external force or injury. Proper documentation is essential to differentiate between the two for accurate coding.