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ICD-10 Guide
ICD-10 CodesM84.419

M84.419

Billable

Pathological fracture, unspecified shoulder

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

Code Description

ICD-10 M84.419 is a billable code used to indicate a diagnosis of pathological fracture, unspecified shoulder.

Key Diagnostic Point:

A pathological fracture of the shoulder occurs when a bone breaks due to an underlying disease process rather than from a traumatic injury. This type of fracture is often associated with conditions such as osteoporosis, which leads to decreased bone density and increased fragility. Osteoporosis is a systemic skeletal disorder characterized by low bone mass and deterioration of bone tissue, resulting in enhanced bone fragility and a consequent increase in fracture risk. Pathological fractures can also arise from other bone metabolism disorders, such as Paget's disease or metastatic cancer, where the structural integrity of the bone is compromised. The unspecified nature of this code indicates that the specific location of the fracture within the shoulder (e.g., proximal humerus, scapula) is not documented, which can complicate treatment and management. Accurate diagnosis and coding are crucial for appropriate treatment planning and reimbursement, as well as for tracking the prevalence of such fractures in populations at risk.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Unspecified location of the fracture can lead to ambiguity in treatment.
  • Requires understanding of underlying conditions like osteoporosis.
  • Documentation must clearly indicate the pathological nature of the fracture.
  • Differentiating between traumatic and pathological fractures can be challenging.

Audit Risk Factors

  • Insufficient documentation of the underlying condition leading to the fracture.
  • Failure to specify the exact location of the fracture.
  • Inconsistent coding practices for similar fractures.
  • Lack of clarity in the clinical notes regarding the nature of the fracture.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed clinical notes describing the fracture, underlying conditions, and treatment plan.

Common Clinical Scenarios

Patients with osteoporosis presenting with shoulder pain and a history of falls.

Billing Considerations

Ensure that the documentation clearly states the pathological nature of the fracture.

Endocrinology

Documentation Requirements

Comprehensive evaluation of bone density and metabolic disorders.

Common Clinical Scenarios

Patients with diagnosed osteoporosis experiencing fractures.

Billing Considerations

Document any treatments for osteoporosis that may have contributed to the fracture.

Coding Guidelines

Inclusion Criteria

Use M84.419 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the fracture is documented as pathological
  • Include any relevant underlying conditions

Exclusion Criteria

Do NOT use M84.419 When
  • Exclude traumatic fractures unless specified

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 aspiration and findings.

Specialty Considerations

Orthopedic specialists should ensure clear documentation of the fracture type.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of fractures, improving the ability to track and manage conditions like osteoporosis and its complications.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of fractures, improving the ability to track and manage conditions like osteoporosis and its complications.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of fractures, improving the ability to track and manage conditions like osteoporosis and its complications.

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 that weaken the bone, while a traumatic fracture results from an external force or injury.