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v1.0.0
ICD-10 Guide
ICD-10 CodesM84.755

M84.755

Billable

Complete transverse atypical femoral fracture, left leg

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

Code Description

ICD-10 M84.755 is a billable code used to indicate a diagnosis of complete transverse atypical femoral fracture, left leg.

Key Diagnostic Point:

A complete transverse atypical femoral fracture is a specific type of fracture that occurs in the femur, characterized by a horizontal break across the bone. This type of fracture is often associated with low-energy trauma, particularly in patients with underlying bone density disorders such as osteoporosis. Atypical femoral fractures are typically seen in patients who are on long-term bisphosphonate therapy for osteoporosis, which can lead to changes in bone metabolism and structural integrity. The left leg designation indicates the specific location of the fracture. Clinically, these fractures may present with thigh pain, difficulty bearing weight, and may be identified through imaging studies such as X-rays or MRI. Management often involves surgical intervention, including fixation, and addressing the underlying bone health issues to prevent future fractures. The importance of monitoring bone density and metabolic health is crucial in these patients to reduce the risk of atypical fractures.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of atypical fracture definitions and classifications.
  • Involves knowledge of osteoporosis and its treatment implications.
  • Documentation must specify the laterality and type of fracture.
  • Differentiating from other types of femoral fractures can be challenging.

Audit Risk Factors

  • Inadequate documentation of the fracture type and laterality.
  • Failure to document underlying osteoporosis or treatment history.
  • Misclassification of fracture type leading to incorrect coding.
  • Lack of imaging results in the medical record.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on fracture type, location, and treatment plan.

Common Clinical Scenarios

Patients presenting with thigh pain after minimal trauma, particularly those on osteoporosis medications.

Billing Considerations

Ensure imaging studies are documented and correlate with the diagnosis.

Endocrinology

Documentation Requirements

Assessment of bone density and metabolic health, including treatment history for osteoporosis.

Common Clinical Scenarios

Patients with osteoporosis presenting with fractures or at risk for fractures.

Billing Considerations

Documenting the patient's medication history and any metabolic bone disease.

Coding Guidelines

Inclusion Criteria

Use M84.755 When
  • Follow official ICD
  • CM guidelines for coding fractures, including specificity for atypical fractures and documentation of laterality
  • Ensure that the underlying conditions such as osteoporosis are also coded appropriately

Exclusion Criteria

Do NOT use M84.755 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 performed for the fracture.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Orthopedic documentation must include fracture type and fixation method.

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 effectively. This specificity aids in better understanding the epidemiology of atypical fractures related to osteoporosis treatments.

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 effectively. This specificity aids in better understanding the epidemiology of atypical fractures related to osteoporosis treatments.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of atypical fractures, improving the ability to track and manage these conditions effectively. This specificity aids in better understanding the epidemiology of atypical fractures related to osteoporosis treatments.

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 specific type of fracture that occurs in the femur, often associated with long-term bisphosphonate therapy for osteoporosis. It is characterized by a transverse fracture pattern and may occur with minimal trauma.