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ICD-10 Guide
ICD-10 CodesM84.312

M84.312

Billable

Stress fracture, left shoulder

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

Code Description

ICD-10 M84.312 is a billable code used to indicate a diagnosis of stress fracture, left shoulder.

Key Diagnostic Point:

A stress fracture of the left shoulder is a small crack in the bone that occurs due to repetitive force or overuse, rather than a single traumatic event. This condition is often seen in athletes or individuals who engage in repetitive overhead activities. The shoulder is a complex joint comprised of the humerus, scapula, and clavicle, and stress fractures can occur in any of these bones, particularly in the humeral head or neck. Risk factors for stress fractures include low bone density, osteoporosis, and certain metabolic bone disorders that affect bone strength and resilience. Patients may present with localized pain, swelling, and tenderness in the shoulder area, which may worsen with activity and improve with rest. Diagnosis typically involves a thorough clinical evaluation, imaging studies such as X-rays or MRI, and assessment of bone density to rule out underlying osteoporosis or other bone metabolism disorders. Treatment often includes rest, physical therapy, and in some cases, the use of braces or surgical intervention if conservative measures fail.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between stress fractures and other types of fractures.
  • Need for accurate documentation of bone density status.
  • Potential for co-existing conditions like osteoporosis.
  • Variability in clinical presentation among patients.

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury.
  • Failure to document bone density testing results.
  • Misclassification of the fracture type.
  • Lack of follow-up documentation on treatment outcomes.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed notes on the mechanism of injury, imaging results, and treatment plan.

Common Clinical Scenarios

Athletes presenting with shoulder pain after repetitive overhead activities.

Billing Considerations

Ensure documentation reflects the chronic nature of the injury and any underlying bone density issues.

Endocrinology

Documentation Requirements

Assessment of bone density and metabolic factors contributing to fracture risk.

Common Clinical Scenarios

Patients with osteoporosis presenting with stress fractures.

Billing Considerations

Document any medications affecting bone metabolism, such as bisphosphonates.

Coding Guidelines

Inclusion Criteria

Use M84.312 When
  • According to ICD
  • 10 guidelines, M84
  • 312 should be used when a stress fracture is confirmed through imaging and clinical evaluation
  • It is essential to document the patient's bone density status and any relevant metabolic disorders

Exclusion Criteria

Do NOT use M84.312 When
  • Exclusions include acute fractures and other types of shoulder injuries

Related ICD-10 Codes

Related CPT Codes

73030CPT Code

Radiologic examination, shoulder, complete, including two views

Clinical Scenario

Used to confirm the diagnosis of a stress fracture.

Documentation Requirements

Include imaging results and clinical findings.

Specialty Considerations

Orthopedic specialists should ensure imaging is appropriate for the suspected diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of stress fractures, improving the accuracy of data collection and reimbursement processes. M84.312 provides a clear distinction from other fracture types, facilitating better patient management and research into bone health.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of stress fractures, improving the accuracy of data collection and reimbursement processes. M84.312 provides a clear distinction from other fracture types, facilitating better patient management and research into bone health.

Reimbursement & Billing Impact

reimbursement processes. M84.312 provides a clear distinction from other fracture types, facilitating better patient management and research into bone health.

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 are the common causes of stress fractures in the shoulder?

Common causes include repetitive overhead activities, sports-related injuries, and underlying conditions like osteoporosis that weaken bone density.