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ICD-10 Guide
ICD-10 CodesM84.372

M84.372

Billable

Stress fracture, left ankle

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

Code Description

ICD-10 M84.372 is a billable code used to indicate a diagnosis of stress fracture, left ankle.

Key Diagnostic Point:

A stress fracture of the left ankle is a small crack in one of the bones of the ankle, typically resulting from 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. Stress fractures can occur in various bones of the ankle, including the tibia, fibula, or talus. The underlying cause is often related to bone density disorders, such as osteoporosis, where the bones become weak and brittle, making them more susceptible to fractures. In patients with low bone density, even normal activities can lead to stress fractures. Symptoms typically include localized pain that worsens with activity and improves with rest, swelling, and tenderness in the affected area. Diagnosis is usually confirmed through imaging studies, such as X-rays or MRI, which can reveal the fracture line or bone edema. Treatment often involves rest, immobilization, and addressing any underlying bone metabolism issues 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
  • Identifying the specific location of the fracture within the ankle
  • Documenting the cause of the fracture accurately

Audit Risk Factors

  • Inadequate documentation of the patient's bone density status
  • Failure to specify the exact location of the fracture
  • Misclassification of the fracture type
  • Lack of evidence for the cause of the fracture

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed imaging reports, patient history, and treatment plans.

Common Clinical Scenarios

Athletes presenting with ankle pain, elderly patients with falls.

Billing Considerations

Ensure that the documentation reflects the mechanism of injury and any underlying bone density issues.

Endocrinology

Documentation Requirements

Bone density test results, history of osteoporosis or metabolic bone disease.

Common Clinical Scenarios

Patients with osteoporosis presenting with fractures.

Billing Considerations

Document any treatments for osteoporosis that may affect fracture healing.

Coding Guidelines

Inclusion Criteria

Use M84.372 When
  • According to ICD
  • 10 guidelines, M84
  • 372 should be used when a stress fracture is confirmed through imaging and the left ankle is specifically affected
  • It is important to document the cause and any related conditions

Exclusion Criteria

Do NOT use M84.372 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

73630CPT Code

Radiologic examination, ankle

Clinical Scenario

Used when imaging is performed to confirm a stress fracture.

Documentation Requirements

Radiology report must indicate the presence of a stress fracture.

Specialty Considerations

Orthopedic specialists should ensure imaging is appropriate for the 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. M84.372 provides a clear distinction for left ankle stress fractures, which aids in clinical research and treatment planning.

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. M84.372 provides a clear distinction for left ankle stress fractures, which aids in clinical research and treatment planning.

Reimbursement & Billing Impact

reimbursement processes. M84.372 provides a clear distinction for left ankle stress fractures, which aids in clinical research and 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 stress fracture and a regular fracture?

A stress fracture is a small crack in the bone caused by repetitive force or overuse, while a regular fracture typically results from a single traumatic event. Stress fractures often occur in bones that are subjected to high levels of stress over time.