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ICD-10 Guide
ICD-10 CodesM84.758

M84.758

Billable

Complete oblique atypical femoral fracture, left leg

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

Code Description

ICD-10 M84.758 is a billable code used to indicate a diagnosis of complete oblique atypical femoral fracture, left leg.

Key Diagnostic Point:

A complete oblique atypical femoral fracture of the left leg is characterized by a fracture that occurs in the femur, typically in the subtrochanteric region, which is not a result of a typical traumatic event. These fractures are often associated with long-term use of bisphosphonates or other medications that affect bone metabolism, particularly in patients with osteoporosis or other bone density disorders. The oblique nature of the fracture indicates that it runs at an angle across the bone, which can complicate healing and may require surgical intervention. Patients with atypical femoral fractures often present with thigh or groin pain, and the fracture may occur with minimal or no trauma, highlighting the underlying fragility of the bone. Diagnosis is usually confirmed through imaging studies such as X-rays or MRI, which can reveal the fracture's characteristics and any associated bone density issues. Management typically involves addressing the underlying bone health, including potential adjustments to osteoporosis treatment, and may require surgical fixation to ensure proper healing.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of atypical fracture patterns.
  • Involves knowledge of osteoporosis and its treatments.
  • Documentation must specify the oblique nature of the fracture.
  • Differentiation from other types of femoral fractures is necessary.

Audit Risk Factors

  • Inadequate documentation of the atypical nature of the fracture.
  • Failure to document the patient's history of osteoporosis or bisphosphonate use.
  • Misclassification of fracture type.
  • Lack of imaging reports to support the diagnosis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed imaging reports, surgical notes, and patient history regarding bone health.

Common Clinical Scenarios

Patients presenting with thigh pain and a history of low-energy trauma, particularly those on osteoporosis medications.

Billing Considerations

Ensure that the fracture type is clearly documented and that any surgical interventions are noted.

Endocrinology

Documentation Requirements

Comprehensive assessment of bone density, medication history, and metabolic bone disease evaluations.

Common Clinical Scenarios

Patients with osteoporosis who have sustained atypical fractures.

Billing Considerations

Documentation should include details on the patient's bone health management and any adjustments to osteoporosis treatment.

Coding Guidelines

Inclusion Criteria

Use M84.758 When
  • According to ICD
  • 10 guidelines, M84
  • 758 should be used when the fracture is confirmed as atypical and complete
  • It is important to document the specific location and nature of the fracture, as well as any underlying conditions affecting bone density

Exclusion Criteria

Do NOT use M84.758 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27447CPT Code

Open treatment of femoral fracture

Clinical Scenario

Used when surgical intervention is required for atypical femoral fractures.

Documentation Requirements

Surgical notes detailing the procedure and any complications.

Specialty Considerations

Orthopedic surgeons must document the fracture type and treatment plan.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of atypical fractures, improving the ability to track and manage these conditions in patients with osteoporosis. This specificity aids in better understanding the epidemiology of atypical fractures and their association with treatment regimens.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of atypical fractures, improving the ability to track and manage these conditions in patients with osteoporosis. This specificity aids in better understanding the epidemiology of atypical fractures and their association with treatment regimens.

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 an atypical femoral fracture?

An atypical femoral fracture is a type of fracture that occurs in the femur, typically in patients with underlying bone density issues, and is often associated with long-term bisphosphonate therapy. These fractures can occur with minimal or no trauma and are characterized by their specific location and fracture pattern.