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ICD-10 Guide
ICD-10 CodesS13.110

S13.110

Billable

Subluxation of C0/C1 cervical vertebrae

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

Code Description

ICD-10 S13.110 is a billable code used to indicate a diagnosis of subluxation of c0/c1 cervical vertebrae.

Key Diagnostic Point:

Subluxation of the C0/C1 cervical vertebrae refers to a partial dislocation of the atlanto-occipital joint, which connects the base of the skull (occiput) to the first cervical vertebra (atlas). This condition can result from trauma, such as whiplash injuries, falls, or sports-related accidents. Patients may present with neck pain, restricted range of motion, headaches, and neurological symptoms if the spinal cord or nerve roots are affected. Diagnosis typically involves a thorough clinical examination, imaging studies such as X-rays or MRI to assess the alignment of the vertebrae, and to rule out associated injuries. Management may include conservative treatment like physical therapy, chiropractic adjustments, or in severe cases, surgical intervention to stabilize the joint. Complications can include chronic pain, neurological deficits, or progression to complete dislocation if not properly managed. Accurate coding is essential for appropriate treatment and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between subluxation and complete dislocation
  • Need for precise documentation of mechanism of injury
  • Potential for associated neurological symptoms
  • Variability in clinical presentation

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document neurological assessments
  • Misclassification of subluxation as dislocation
  • Lack of imaging reports in the medical record

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Documentation must include a detailed account of the injury mechanism, neurological examination findings, and imaging results.

Common Clinical Scenarios

Trauma patients presenting with neck pain after a motor vehicle accident or sports injury.

Billing Considerations

Ensure that all relevant imaging studies are documented and linked to the diagnosis.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, findings, and any stabilization techniques used.

Common Clinical Scenarios

Patients requiring surgical intervention for persistent symptoms or instability after conservative management.

Billing Considerations

Document the rationale for surgical intervention and any preoperative imaging findings.

Coding Guidelines

Inclusion Criteria

Use S13.110 When
  • Follow ICD
  • CM guidelines for coding injuries, ensuring specificity in the documentation of the injury type, location, and mechanism
  • Use additional codes for any associated conditions or complications

Exclusion Criteria

Do NOT use S13.110 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Arthrodesis, anterior or posterior technique

Clinical Scenario

Used in cases where surgical stabilization is required for subluxation.

Documentation Requirements

Operative report detailing the procedure and indications.

Specialty Considerations

Ensure that the surgical necessity is well-documented to support the procedure.

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 diagnosis and treatment tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of cervical spine injuries, improving the accuracy of diagnosis and treatment tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of cervical spine injuries, improving the accuracy of diagnosis and treatment tracking.

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 subluxation and dislocation?

Subluxation refers to a partial dislocation where the joint surfaces are misaligned but still in contact, while dislocation indicates a complete separation of the joint surfaces.