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ICD-10 Guide
ICD-10 CodesM48.46

M48.46

Billable

Fatigue fracture of vertebra, lumbar region

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

Code Description

ICD-10 M48.46 is a billable code used to indicate a diagnosis of fatigue fracture of vertebra, lumbar region.

Key Diagnostic Point:

A fatigue fracture of the lumbar vertebrae is a type of stress fracture that occurs due to repetitive loading and microtrauma to the vertebral body, often seen in individuals with underlying conditions such as spondylopathies, ankylosing spondylitis, or inflammatory spine conditions. These fractures can result from chronic mechanical stress, particularly in patients with compromised bone density or structural integrity. Symptoms typically include localized pain in the lumbar region, which may worsen with activity and improve with rest. Diagnosis is often confirmed through imaging studies such as X-rays, MRI, or CT scans, which can reveal vertebral body edema or fractures not visible on plain films. Management may involve conservative treatment such as rest, analgesics, and physical therapy, or surgical intervention in severe cases. Understanding the underlying conditions that predispose patients to fatigue fractures is crucial for effective treatment and prevention.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between fatigue fractures and other types of vertebral fractures.
  • Identifying underlying conditions such as ankylosing spondylitis or spinal stenosis.
  • Need for precise documentation of the patient's history and symptoms.
  • Variability in clinical presentation among different patient populations.

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury.
  • Failure to document co-existing conditions.
  • Misclassification of the type of fracture.
  • Lack of imaging studies to support the diagnosis.

Specialty Focus

Medical Specialties

Orthopedics

Documentation Requirements

Detailed history of the patient's symptoms, imaging results, and treatment plan.

Common Clinical Scenarios

Patients presenting with back pain after repetitive activities or trauma.

Billing Considerations

Ensure accurate documentation of any underlying conditions that may affect treatment.

Rheumatology

Documentation Requirements

Comprehensive assessment of inflammatory markers and history of spondyloarthritis.

Common Clinical Scenarios

Patients with known inflammatory spine conditions presenting with new onset back pain.

Billing Considerations

Document the relationship between inflammatory conditions and vertebral fractures.

Coding Guidelines

Inclusion Criteria

Use M48.46 When
  • Follow official ICD
  • CM guidelines for coding fractures, ensuring to document the specific location and type of fracture
  • Include any relevant co
  • morbid conditions that may impact treatment

Exclusion Criteria

Do NOT use M48.46 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Percutaneous vertebroplasty

Clinical Scenario

Used in cases of vertebral compression fractures.

Documentation Requirements

Document the indication for the procedure and imaging findings.

Specialty Considerations

Orthopedic specialists should ensure proper coding for vertebral interventions.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of fatigue fractures, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of fatigue fractures, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 primary cause of fatigue fractures in the lumbar region?

Fatigue fractures in the lumbar region are primarily caused by repetitive stress and microtrauma, often exacerbated by underlying conditions such as osteoporosis or inflammatory spine diseases.