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ICD-10 Guide
ICD-10 CodesM84.332

M84.332

Billable

Stress fracture, left ulna

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

Code Description

ICD-10 M84.332 is a billable code used to indicate a diagnosis of stress fracture, left ulna.

Key Diagnostic Point:

A stress fracture of the left ulna 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 high-impact activities. The ulna is one of the two long bones in the forearm, and stress fractures can lead to pain, swelling, and tenderness along the bone. Diagnosis typically involves a thorough clinical evaluation, including a physical examination and imaging studies such as X-rays or MRI, which can reveal the fracture not visible on standard X-rays. Risk factors for stress fractures include low bone density, osteoporosis, and certain metabolic bone disorders, which can compromise bone strength and increase susceptibility to fractures. Treatment usually involves rest, modification of activities, and possibly physical therapy to strengthen the surrounding muscles and improve bone health. In cases where bone density is significantly compromised, further evaluation and management of underlying conditions may be necessary to prevent future fractures.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between stress fractures and other types of fractures.
  • Understanding the patient's history of bone density disorders.
  • The need for precise documentation of the location and nature of the fracture.
  • Potential for co-existing conditions that may affect coding.

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury.
  • Failure to document prior history of osteoporosis or other bone density issues.
  • Misclassification of the fracture type.
  • Lack of follow-up documentation regarding treatment and recovery.

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 forearm pain after increased training intensity.

Billing Considerations

Consideration of the patient's overall bone health and any underlying conditions.

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

Documentation of bone density tests and management of osteoporosis.

Coding Guidelines

Inclusion Criteria

Use M84.332 When
  • According to ICD
  • 10 guidelines, M84
  • 332 should be used when a stress fracture is confirmed through clinical evaluation and imaging
  • It is important to document the specific location and nature of the fracture, as well as any underlying conditions affecting bone health

Exclusion Criteria

Do NOT use M84.332 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

73030CPT Code

Radiologic examination, forearm, two views

Clinical Scenario

Used to confirm the diagnosis of a stress fracture.

Documentation Requirements

Must include imaging results and clinical findings.

Specialty Considerations

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

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 ability to track and manage these injuries. M84.332 provides a clear designation for stress fractures of the left ulna, facilitating better patient care and outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of stress fractures, improving the ability to track and manage these injuries. M84.332 provides a clear designation for stress fractures of the left ulna, facilitating better patient care and outcomes.

Reimbursement & Billing Impact

reimbursement.

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 stress fracture and an acute fracture?

A stress fracture is a small crack in the bone caused by repetitive stress, while an acute fracture is a complete break in the bone usually resulting from a single traumatic event. Stress fractures often develop gradually and may not be visible on initial X-rays.