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ICD-10 Guide
ICD-10 CodesM84.459

M84.459

Billable

Pathological fracture, hip, unspecified

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

Code Description

ICD-10 M84.459 is a billable code used to indicate a diagnosis of pathological fracture, hip, unspecified.

Key Diagnostic Point:

A pathological fracture of the hip occurs when the bone breaks due to a disease process rather than from an external force or trauma. This type of fracture is often associated with conditions that weaken bone integrity, such as osteoporosis, metastatic cancer, or other metabolic bone disorders. Osteoporosis, characterized by decreased bone density and quality, significantly increases the risk of fractures, particularly in the hip region, which is a common site for such injuries in older adults. The hip is crucial for mobility, and fractures in this area can lead to severe complications, including prolonged immobility, increased morbidity, and even mortality. Diagnosis typically involves imaging studies such as X-rays or MRIs to confirm the fracture and assess the underlying bone condition. Treatment may include surgical intervention, such as hip replacement, and management of the underlying bone density disorder to prevent future fractures. Accurate coding of pathological fractures is essential for appropriate treatment planning and reimbursement, as well as for tracking the prevalence of osteoporosis and related conditions in the population.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between traumatic and pathological fractures
  • Identifying underlying conditions contributing to bone weakness
  • Variability in documentation quality among providers
  • Need for precise imaging reports to support coding

Audit Risk Factors

  • Inadequate documentation of the underlying condition
  • Failure to specify the type of fracture (e.g., displaced vs. non-displaced)
  • Lack of imaging reports to support the diagnosis
  • Misclassification of the fracture type

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on fracture type, location, and any surgical interventions performed.

Common Clinical Scenarios

Patients presenting with hip pain after minimal trauma, elderly patients with a history of osteoporosis.

Billing Considerations

Ensure that all imaging studies and their interpretations are documented clearly.

Endocrinology

Documentation Requirements

Comprehensive assessment of bone density, metabolic disorders, and treatment plans for osteoporosis.

Common Clinical Scenarios

Patients with diagnosed osteoporosis presenting with fractures, patients on long-term corticosteroid therapy.

Billing Considerations

Document any medications affecting bone metabolism and their potential side effects.

Coding Guidelines

Inclusion Criteria

Use M84.459 When
  • According to ICD
  • 10 guidelines, M84
  • 459 should be used when a pathological fracture is confirmed but the specific type is not documented
  • It is essential to include any relevant underlying conditions in the medical record to support the diagnosis

Exclusion Criteria

Do NOT use M84.459 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27130CPT Code

Total hip arthroplasty

Clinical Scenario

Performed on patients with pathological fractures of the hip requiring surgical intervention.

Documentation Requirements

Operative reports detailing the procedure and indications for surgery.

Specialty Considerations

Orthopedic surgeons must document the fracture type and any pre-existing conditions.

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 track and manage conditions like osteoporosis and their complications. This specificity aids in better patient management and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of pathological fractures, improving the ability to track and manage conditions like osteoporosis and their complications. This specificity aids in better patient management and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of pathological fractures, improving the ability to track and manage conditions like osteoporosis and their complications. This specificity aids in better patient management and resource allocation.

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 a disease process that weakens the bone, while a traumatic fracture results from an external force or injury.