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ICD-10 Guide
ICD-10 CodesM84.58

M84.58

Billable

Pathological fracture in neoplastic disease, other specified site

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

Code Description

ICD-10 M84.58 is a billable code used to indicate a diagnosis of pathological fracture in neoplastic disease, other specified site.

Key Diagnostic Point:

Pathological fractures occur when bones weaken due to underlying conditions, such as neoplastic diseases, which include various types of cancers. These fractures are not the result of trauma but rather the consequence of the disease process itself, leading to compromised bone integrity. In the context of neoplastic disease, the tumor may invade the bone, disrupt normal bone metabolism, or lead to osteolytic lesions, which significantly weaken the bone structure. Patients with conditions like osteoporosis or other bone density disorders are at an increased risk for such fractures, as their bones are already compromised. The diagnosis of a pathological fracture in a neoplastic disease requires careful evaluation of the patient's medical history, imaging studies, and sometimes biopsy results to confirm the presence of malignancy. Treatment often involves addressing both the fracture and the underlying neoplastic condition, which may include surgical intervention, radiation therapy, or pharmacological management to strengthen bone density and prevent further fractures.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between primary and secondary neoplastic diseases
  • Identifying the specific site of the fracture
  • Understanding the relationship between neoplastic disease and bone metabolism
  • Documenting the patient's history of bone density disorders

Audit Risk Factors

  • Inadequate documentation of the neoplastic disease
  • Failure to specify the fracture site
  • Misclassification of the type of fracture
  • Lack of supporting imaging studies

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed documentation of the cancer diagnosis, treatment history, and any imaging studies performed.

Common Clinical Scenarios

Patients with metastatic cancer presenting with fractures due to bone involvement.

Billing Considerations

Ensure that the relationship between the neoplasm and the fracture is clearly documented.

Orthopedics

Documentation Requirements

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

Common Clinical Scenarios

Patients presenting with fractures that require surgical fixation or orthopedic intervention.

Billing Considerations

Document the patient's bone density status and any pre-existing conditions that may affect healing.

Coding Guidelines

Inclusion Criteria

Use M84.58 When
  • According to the official coding guidelines, M84
  • 58 should be used when a pathological fracture is confirmed in a patient with a neoplastic disease at a specified site
  • Coders must ensure that the documentation supports the diagnosis and that the fracture is not due to trauma or other non
  • neoplastic causes

Exclusion Criteria

Do NOT use M84.58 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 due to swelling.

Documentation Requirements

Document the reason for the procedure and any imaging studies that support the need for aspiration.

Specialty Considerations

Orthopedic specialists should ensure that the procedure is linked to the diagnosis of the fracture.

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 related to neoplastic diseases, improving the accuracy of data collection and reimbursement processes. This specificity helps in better tracking of patient outcomes and resource utilization.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of pathological fractures related to neoplastic diseases, improving the accuracy of data collection and reimbursement processes. This specificity helps in better tracking of patient outcomes and resource utilization.

Reimbursement & Billing Impact

reimbursement processes. This specificity helps in better tracking of patient outcomes and resource utilization.

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 M84.58 and M84.59?

M84.58 is used for pathological fractures in neoplastic disease at a specified site, while M84.59 is for unspecified sites. Accurate documentation of the fracture site is crucial for correct coding.