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ICD-10 Guide
ICD-10 CodesM84.475

M84.475

Billable

Pathological fracture, left foot

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

Code Description

ICD-10 M84.475 is a billable code used to indicate a diagnosis of pathological fracture, left foot.

Key Diagnostic Point:

A pathological fracture of the left foot occurs when a bone breaks in response to minimal or no trauma due to underlying bone density disorders, such as osteoporosis or other metabolic bone diseases. These fractures are often the result of weakened bone structure, which can be caused by various factors including age, hormonal changes, nutritional deficiencies, and certain medical conditions. In the case of osteoporosis, the bone density decreases, making bones more fragile and susceptible to fractures. The left foot can be affected by various types of fractures, including those of the metatarsals, phalanges, or tarsal bones. Diagnosis typically involves imaging studies such as X-rays or MRIs to confirm the fracture and assess the extent of bone loss. Treatment may include pain management, immobilization, and addressing the underlying bone density issue through medications, dietary changes, or physical therapy. Understanding the etiology of the fracture is crucial for effective management and prevention of future fractures.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between traumatic and pathological fractures
  • Identifying underlying conditions contributing to bone density loss
  • Documenting specific location and type of fracture
  • Understanding the patient's history of osteoporosis or other metabolic bone diseases

Audit Risk Factors

  • Inadequate documentation of the underlying bone density disorder
  • Failure to specify the exact location of the fracture
  • Misclassification of the fracture type (pathological vs. traumatic)
  • Lack of supporting imaging studies in the medical record

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed imaging reports, surgical notes, and history of present illness.

Common Clinical Scenarios

Patients presenting with fractures after minimal trauma, elderly patients with osteoporosis.

Billing Considerations

Ensure that the underlying conditions are well-documented to support the diagnosis of a pathological fracture.

Endocrinology

Documentation Requirements

Bone density test results, lab results for calcium and vitamin D levels.

Common Clinical Scenarios

Patients with osteoporosis or other metabolic bone diseases experiencing fractures.

Billing Considerations

Documenting the management of the underlying condition is crucial for accurate coding.

Coding Guidelines

Inclusion Criteria

Use M84.475 When
  • According to ICD
  • 10 guidelines, M84
  • 475 should be used when a pathological fracture is confirmed and the specific location is documented
  • It is important to include any relevant history of osteoporosis or other bone density disorders
  • pathological causes

Exclusion Criteria

Do NOT use M84.475 When
  • Exclusions include fractures resulting from 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 a patient with a pathological fracture requires joint aspiration.

Documentation Requirements

Document the reason for the procedure and the findings during aspiration.

Specialty Considerations

Orthopedic specialists should ensure that the joint status is well-documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of fractures, including the differentiation between pathological and traumatic fractures, which enhances the accuracy of patient records and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of fractures, including the differentiation between pathological and traumatic fractures, which enhances the accuracy of patient records and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 weakened bone structure from underlying conditions like osteoporosis, while a traumatic fracture results from an external force or injury.