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ICD-10 Guide
ICD-10 CodesS02.620

S02.620

Billable

Fracture of subcondylar process of mandible, unspecified side

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

Code Description

ICD-10 S02.620 is a billable code used to indicate a diagnosis of fracture of subcondylar process of mandible, unspecified side.

Key Diagnostic Point:

The subcondylar process of the mandible is a critical area where the mandible articulates with the temporal bone of the skull. Fractures in this region can occur due to various mechanisms, including direct trauma from falls, motor vehicle accidents, or physical altercations. Symptoms typically include pain, swelling, and limited jaw movement, which can complicate eating and speaking. Diagnosis is primarily through clinical examination and imaging studies such as X-rays or CT scans, which help confirm the fracture and assess its displacement. Management may involve conservative treatment with pain control and dietary modifications or surgical intervention if the fracture is displaced or involves the joint. Complications can include malocclusion, temporomandibular joint dysfunction, and infection. Accurate coding is essential for appropriate reimbursement and tracking of treatment outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in fracture presentation and symptoms
  • Need for precise imaging interpretation
  • Potential for associated injuries in polytrauma cases
  • Differentiation from other mandibular fractures

Audit Risk Factors

  • Inadequate documentation of fracture type and location
  • Failure to specify laterality when applicable
  • Misclassification of fracture severity
  • Lack of imaging reports to support diagnosis

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Documentation must include a thorough history of the injury, physical examination findings, and imaging results.

Common Clinical Scenarios

Patients presenting with facial trauma after a fall or assault, requiring immediate evaluation and imaging.

Billing Considerations

Ensure that all relevant details of the injury mechanism are documented to support the diagnosis.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, findings, and any fixation methods used.

Common Clinical Scenarios

Surgical repair of a displaced subcondylar fracture following trauma.

Billing Considerations

Document any complications or additional procedures performed during surgery.

Coding Guidelines

Inclusion Criteria

Use S02.620 When
  • Follow the ICD
  • CM guidelines for coding fractures, ensuring that the specific site and type of fracture are documented
  • Use additional codes for any associated injuries or complications

Exclusion Criteria

Do NOT use S02.620 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

21026CPT Code

Open treatment of mandibular fracture

Clinical Scenario

Used when surgical intervention is required for a displaced fracture.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Ensure that the surgical approach and fixation method are clearly 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 granularity of data for treatment outcomes and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of fractures, improving the granularity of data for treatment outcomes and reimbursement.

Reimbursement & Billing Impact

reimbursement.

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 imaging is required to confirm a subcondylar fracture?

CT scans are preferred for detailed visualization of the fracture and surrounding structures, while X-rays can provide initial assessment.