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ICD-10 Guide
ICD-10 CodesS13.150

S13.150

Billable

Subluxation of C4/C5 cervical vertebrae

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

Code Description

ICD-10 S13.150 is a billable code used to indicate a diagnosis of subluxation of c4/c5 cervical vertebrae.

Key Diagnostic Point:

Subluxation of the C4/C5 cervical vertebrae refers to a partial dislocation of the vertebrae in the cervical spine, specifically between the fourth and fifth cervical vertebrae. This condition can result from trauma, such as a fall, motor vehicle accident, or sports injury, where the cervical spine is subjected to excessive force or abnormal movement. Clinically, patients may present with neck pain, limited range of motion, and neurological symptoms such as tingling or weakness in the arms, depending on the severity of the subluxation and any associated nerve root involvement. Diagnosis typically involves a thorough clinical examination, imaging studies such as X-rays or MRI to visualize the alignment of the vertebrae, and assess for any associated injuries to the spinal cord or surrounding structures. Management may include conservative treatment such as physical therapy, cervical collars, or in more severe cases, surgical intervention to realign the vertebrae and stabilize the spine. Complications can include chronic pain, neurological deficits, or progression to complete dislocation 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 symptoms
  • Variability in treatment approaches

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated neurological symptoms
  • Misidentification of the specific vertebrae involved
  • Inconsistent coding of related conditions

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Documentation must include a detailed account of the injury mechanism, patient presentation, and initial assessment findings.

Common Clinical Scenarios

Trauma cases from falls, motor vehicle accidents, or sports injuries leading to acute neck pain.

Billing Considerations

Ensure that all neurological assessments are documented, as they are critical for coding and management.

Surgery

Documentation Requirements

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

Common Clinical Scenarios

Surgical interventions for severe subluxation with neurological compromise.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use S13.150 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code accurately reflects the specific injury and its location
  • Document the mechanism of injury and any associated conditions

Exclusion Criteria

Do NOT use S13.150 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

63075CPT Code

Laminectomy, cervical, single segment

Clinical Scenario

Used in cases where surgical intervention is required for subluxation.

Documentation Requirements

Operative report detailing the procedure and indications.

Specialty Considerations

Ensure that the surgical approach aligns with the diagnosis.

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, including subluxations, which enhances the ability to capture the complexity of these injuries and their management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of cervical spine injuries, including subluxations, which enhances the ability to capture the complexity of these injuries and their management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of cervical spine injuries, including subluxations, which enhances the ability to capture the complexity of these injuries and their management.

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 still in contact, while dislocation is a complete separation of the joint surfaces.