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ICD-10 Guide
ICD-10 CodesS12.040

S12.040

Billable

Displaced lateral mass fracture of first cervical vertebra

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 S12.040 is a billable code used to indicate a diagnosis of displaced lateral mass fracture of first cervical vertebra.

Key Diagnostic Point:

A displaced lateral mass fracture of the first cervical vertebra (C1) typically occurs due to high-energy trauma, such as motor vehicle accidents, falls from heights, or sports injuries. This fracture can compromise the stability of the cervical spine and may lead to neurological deficits if the spinal cord is involved. The lateral masses of C1 are critical for the articulation with the occipital condyles of the skull and provide support for the head. Diagnosis is often confirmed through imaging studies, including X-rays, CT scans, or MRI, which can reveal the extent of the fracture and any associated soft tissue injuries. Management may involve conservative treatment with immobilization or surgical intervention, depending on the severity of the fracture and the presence of neurological symptoms. Complications can include chronic pain, instability of the cervical spine, and potential for spinal cord injury, necessitating careful monitoring and follow-up.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for precise documentation of fracture type and displacement
  • Differentiation from similar cervical spine injuries
  • Potential for associated neurological injuries
  • Variability in treatment approaches based on severity

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the type of fracture (displaced vs. non-displaced)
  • Lack of imaging reports to support the diagnosis
  • Misclassification of the injury type

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed documentation of the mechanism of injury, initial assessment findings, and imaging results.

Common Clinical Scenarios

Trauma cases presenting with neck pain after a fall or collision.

Billing Considerations

Ensure that all neurological assessments are documented to support the diagnosis and treatment plan.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, findings, and any fixation methods used.

Common Clinical Scenarios

Surgical intervention for unstable fractures or those with neurological compromise.

Billing Considerations

Document any intraoperative findings that may affect coding, such as additional injuries or complications.

Coding Guidelines

Inclusion Criteria

Use S12.040 When
  • Follow ICD
  • CM guidelines for coding injuries, ensuring specificity in the documentation of the fracture type and any associated conditions

Exclusion Criteria

Do NOT use S12.040 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Arthrodesis, anterior or posterior technique

Clinical Scenario

Used in surgical management of displaced cervical fractures.

Documentation Requirements

Operative report detailing the procedure and indications.

Specialty Considerations

Ensure that the surgical approach is clearly documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding cervical spine injuries, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding cervical spine injuries, 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 significance of coding S12.040 accurately?

Accurate coding of S12.040 is crucial for appropriate reimbursement, tracking of injury patterns, and ensuring that patients receive the correct level of care based on the severity of their injury.