ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesS13.170

S13.170

Billable

Subluxation of C6/C7 cervical vertebrae

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

Code Description

ICD-10 S13.170 is a billable code used to indicate a diagnosis of subluxation of c6/c7 cervical vertebrae.

Key Diagnostic Point:

Subluxation of the C6/C7 cervical vertebrae refers to a partial dislocation of the cervical spine at the junction of the sixth and seventh 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 awkward positioning. 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 and imaging studies, such as X-rays or MRI, to assess the alignment of the vertebrae and rule out other injuries. Management may include conservative treatment with physical therapy, pain management, and in some cases, surgical intervention to stabilize the spine and relieve nerve compression. Complications can include chronic pain, neurological deficits, and the potential for recurrent subluxation 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 complete dislocation codes
  • Potential for associated neurological symptoms
  • Variability in treatment approaches

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document neurological assessments
  • Misclassification as a complete 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 mechanism of injury, initial assessment findings, and any imaging results.

Common Clinical Scenarios

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

Billing Considerations

Ensure that neurological assessments are documented to support the diagnosis and any potential complications.

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.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use S13.170 When
  • Follow the ICD
  • CM guidelines for coding injuries, ensuring that the specific site and nature of the injury are accurately captured
  • Document the mechanism of injury and any associated conditions

Exclusion Criteria

Do NOT use S13.170 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

22551CPT Code

Cervical spine fusion

Clinical Scenario

Used in cases where surgical stabilization is required due to subluxation.

Documentation Requirements

Operative report detailing the procedure and indications for surgery.

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