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ICD-10 Guide
ICD-10 CodesS12.031

S12.031

Billable

Nondisplaced posterior arch fracture of first cervical vertebra

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

Code Description

ICD-10 S12.031 is a billable code used to indicate a diagnosis of nondisplaced posterior arch fracture of first cervical vertebra.

Key Diagnostic Point:

The nondisplaced posterior arch fracture of the first cervical vertebra, also known as the atlas, is a specific type of injury that occurs in the upper cervical spine. This fracture typically results from trauma, such as a fall or a motor vehicle accident, where the force applied does not displace the bone fragments. The posterior arch of the atlas is crucial for the stability of the cervical spine and protects the spinal cord. Patients may present with neck pain, limited range of motion, and neurological symptoms depending on the severity of the injury. Diagnosis is confirmed through imaging studies, primarily X-rays and CT scans, which reveal the fracture without displacement. Management often involves conservative treatment, including immobilization with a cervical collar, pain management, and physical therapy. Surgical intervention may be necessary in cases where there is a risk of spinal cord compression or instability. Complications can include chronic pain, neurological deficits, and potential for instability in the cervical spine if not properly managed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for precise documentation of the mechanism of injury
  • Differentiation from other cervical spine injuries
  • Potential for associated neurological injuries
  • Variability in treatment approaches

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the nondisplaced nature of the fracture
  • Misclassification of fracture type
  • Lack of imaging documentation

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Documentation must include a detailed account of the mechanism of injury, initial assessment findings, and any imaging results.

Common Clinical Scenarios

Patients presenting with neck pain after a fall or motor vehicle accident.

Billing Considerations

Ensure that the documentation reflects the absence of neurological deficits and the nondisplaced nature of the fracture.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, findings, and any fixation methods used if surgery is performed.

Common Clinical Scenarios

Surgical intervention for instability or associated injuries.

Billing Considerations

Document any pre-existing conditions that may affect surgical outcomes.

Coding Guidelines

Inclusion Criteria

Use S12.031 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the injury type, mechanism, and any associated conditions

Exclusion Criteria

Do NOT use S12.031 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Anterior cervical discectomy and fusion

Clinical Scenario

Used when surgical intervention is required for instability or neurological symptoms.

Documentation Requirements

Operative report detailing the procedure and indications for surgery.

Specialty Considerations

Ensure that the surgical necessity is well-documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of 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 more specific coding of 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 difference between a displaced and nondisplaced fracture?

A displaced fracture involves a break in the bone where the ends are not aligned, while a nondisplaced fracture means the bone cracks but maintains its proper alignment.