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ICD-10 Guide
ICD-10 CodesS12.041

S12.041

Billable

Nondisplaced lateral mass fracture of first cervical vertebra

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

Code Description

ICD-10 S12.041 is a billable code used to indicate a diagnosis of nondisplaced lateral mass fracture of first cervical vertebra.

Key Diagnostic Point:

A nondisplaced lateral mass fracture of the first cervical vertebra (C1) typically occurs due to trauma, such as a fall or motor vehicle accident. The lateral masses of C1 are critical for supporting the skull and facilitating head movement. Unlike displaced fractures, nondisplaced fractures do not result in significant misalignment of the vertebrae, which can lead to less severe neurological complications. However, they can still cause pain, limited range of motion, and potential instability. Diagnosis is often confirmed through imaging studies, such as X-rays or CT scans, which can visualize the fracture and assess for any associated injuries. Management usually involves conservative treatment, including immobilization with a cervical collar and pain management, although surgical intervention may be necessary in cases of instability or associated injuries. Complications can include chronic pain, reduced mobility, and, in rare cases, neurological deficits if the spinal cord is compromised.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between displaced and nondisplaced fractures
  • Understanding the anatomical significance of the cervical vertebrae
  • Interpreting imaging studies accurately
  • Recognizing associated injuries or complications

Audit Risk Factors

  • Inadequate documentation of the fracture type
  • Failure to specify associated injuries
  • Misinterpretation of imaging results
  • Incorrect linkage of diagnosis to treatment

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

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

Common Clinical Scenarios

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

Billing Considerations

Ensure that all relevant imaging studies are documented and that the mechanism of injury is clearly described.

Surgery

Documentation Requirements

Detailed operative notes, including indications for surgery and findings during the procedure.

Common Clinical Scenarios

Patients requiring surgical stabilization due to instability or associated neurological deficits.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use S12.041 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code reflects the specific type of fracture and any associated injuries
  • Use additional codes as necessary to capture the full clinical picture

Exclusion Criteria

Do NOT use S12.041 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 deficits.

Documentation Requirements

Operative report detailing the procedure and indications.

Specialty Considerations

Ensure that the surgical approach and any complications are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of fractures, improving the accuracy of clinical data and reimbursement processes. S12.041 provides granularity that was not available in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of fractures, improving the accuracy of clinical data and reimbursement processes. S12.041 provides granularity that was not available in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. S12.041 provides granularity that was not available in ICD-9.

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 nondisplaced and displaced fracture?

A nondisplaced fracture means that the bone has cracked but remains aligned, while a displaced fracture indicates that the bone fragments have moved out of their normal position.