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ICD-10 Guide
ICD-10 CodesM84.51

M84.51

Billable

Pathological fracture in neoplastic disease, shoulder

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

Code Description

ICD-10 M84.51 is a billable code used to indicate a diagnosis of pathological fracture in neoplastic disease, shoulder.

Key Diagnostic Point:

A pathological fracture in the context of neoplastic disease occurs when a bone breaks due to the weakening of the bone structure caused by a tumor, either benign or malignant. In the case of the shoulder, this can involve the humerus or scapula, where the presence of a neoplasm compromises the integrity of the bone. Patients with conditions such as metastatic cancer, multiple myeloma, or primary bone tumors may experience these fractures. The underlying mechanism often involves the tumor's direct invasion of the bone, leading to localized bone destruction, or the production of substances that affect bone metabolism, resulting in decreased bone density. This condition is particularly concerning in patients with osteoporosis or other bone density disorders, as their bones are already weakened. Diagnosis typically involves imaging studies such as X-rays, CT scans, or MRIs to confirm the fracture and assess the extent of the neoplastic involvement. Treatment may include surgical intervention, radiation therapy, or pharmacological management to address both the fracture and the underlying neoplastic disease.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between primary and secondary neoplastic diseases
  • Understanding the implications of bone density disorders
  • Identifying the specific location and type of fracture
  • Documenting the relationship between the neoplasm and the fracture

Audit Risk Factors

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

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed history of the neoplastic disease, including type, stage, and treatment history.

Common Clinical Scenarios

Patients with metastatic breast cancer presenting with shoulder pain and subsequent imaging revealing a pathological fracture.

Billing Considerations

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

Orthopedics

Documentation Requirements

Comprehensive assessment of the fracture, including imaging results and treatment plans.

Common Clinical Scenarios

Patients with a known history of bone metastases presenting with acute shoulder pain and fracture.

Billing Considerations

Document the mechanism of injury and any prior treatments that may affect bone integrity.

Coding Guidelines

Inclusion Criteria

Use M84.51 When
  • According to ICD
  • 10 guidelines, M84
  • 51 should be used when a pathological fracture is confirmed in a patient with a documented neoplastic disease
  • It is essential to include the type of neoplasm and any relevant treatment history

Exclusion Criteria

Do NOT use M84.51 When
  • Exclusion criteria include fractures not related to neoplastic disease

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 for pain management.

Documentation Requirements

Document the reason for aspiration and any imaging studies performed.

Specialty Considerations

Orthopedic specialists should ensure that the fracture is documented as part of the 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 pathological fractures related to neoplastic diseases, improving the accuracy of patient records and facilitating better treatment planning.

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 patient records and facilitating better treatment planning.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of pathological fractures related to neoplastic diseases, improving the accuracy of patient records and facilitating better treatment planning.

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 underlying disease processes, such as neoplasms, that weaken the bone, while a traumatic fracture results from an external force or injury.