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ICD-10 Guide
ICD-10 CodesS13.15

S13.15

Billable

Subluxation and dislocation of C4/C5 cervical vertebrae

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

Code Description

ICD-10 S13.15 is a billable code used to indicate a diagnosis of subluxation and dislocation of c4/c5 cervical vertebrae.

Key Diagnostic Point:

Subluxation and dislocation of the C4/C5 cervical vertebrae refers to a condition where the cervical vertebrae at the fourth and fifth levels are misaligned or displaced. This injury can occur due to trauma, such as a fall, motor vehicle accident, or sports injury, leading to potential spinal cord compression and neurological deficits. The mechanism of injury often involves hyperflexion or hyperextension of the neck, which can disrupt the normal alignment of the vertebrae. Clinically, patients may present with neck pain, limited range of motion, and neurological symptoms such as numbness, tingling, or weakness in the upper extremities. Diagnosis typically involves imaging studies, including X-rays, CT scans, or MRI, to assess the degree of dislocation and any associated soft tissue injuries. Management may include conservative treatment such as immobilization and physical therapy, or surgical intervention if there is significant instability or neurological compromise. Complications can include chronic pain, persistent neurological deficits, or the development of cervical myelopathy if not appropriately managed.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of symptoms
  • Need for precise imaging interpretation
  • Potential for associated neurological injuries
  • Differentiation from other cervical spine injuries

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify the type of dislocation (e.g., anterior vs. posterior)
  • Lack of imaging results in the medical record
  • Misclassification of the severity of the injury

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 performed.

Common Clinical Scenarios

Trauma patients presenting after a fall or motor vehicle accident with neck pain and neurological symptoms.

Billing Considerations

Ensure that all neurological assessments are documented, including any changes in motor or sensory function.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, findings, and any corrective measures taken.

Common Clinical Scenarios

Patients requiring surgical intervention for stabilization of the cervical spine after dislocation.

Billing Considerations

Document any pre-existing conditions that may affect surgical outcomes, such as osteoporosis or previous spinal surgeries.

Coding Guidelines

Inclusion Criteria

Use S13.15 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the injury's specifics, including laterality and associated conditions

Exclusion Criteria

Do NOT use S13.15 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

63015CPT Code

Laminectomy, cervical, single segment

Clinical Scenario

Performed to relieve spinal cord compression due to dislocation.

Documentation Requirements

Operative report must detail the procedure and any findings.

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 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 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.