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v1.0.0
ICD-10 Guide
ICD-10 CodesS02.621

S02.621

Billable

Fracture of subcondylar process of right mandible

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

Code Description

ICD-10 S02.621 is a billable code used to indicate a diagnosis of fracture of subcondylar process of right mandible.

Key Diagnostic Point:

The subcondylar process of the mandible is a critical area where the mandible articulates with the temporal bone of the skull, forming the temporomandibular joint (TMJ). A fracture in this area can occur due to various mechanisms, including direct trauma from falls, motor vehicle accidents, or physical altercations. Symptoms typically include pain, swelling, limited jaw movement, and possible malocclusion. Diagnosis is primarily through clinical examination and imaging studies such as X-rays or CT scans, which help confirm the fracture's location and severity. Management may involve conservative treatment with pain control and dietary modifications or surgical intervention for more severe fractures requiring fixation. Complications can include nonunion, malocclusion, and TMJ dysfunction, which may necessitate further surgical correction. Accurate coding is essential for proper reimbursement and tracking of treatment outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Specificity of the fracture location
  • Potential for associated injuries in the facial region
  • Variability in treatment approaches (surgical vs. conservative)
  • Need for precise documentation of the mechanism of injury

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to specify laterality (right vs. left)
  • Misclassification of fracture type (e.g., simple vs. complex)
  • Lack of follow-up documentation on treatment outcomes

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

Patients presenting with facial trauma from accidents or assaults.

Billing Considerations

Ensure that all relevant injuries are documented to support coding for multiple trauma cases.

Surgery

Documentation Requirements

Operative reports must detail the surgical approach, fixation methods, and any complications encountered during the procedure.

Common Clinical Scenarios

Surgical repair of a subcondylar fracture following trauma.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use S02.621 When
  • Follow the ICD
  • CM coding guidelines for injuries, ensuring accurate laterality and specificity
  • Use additional codes for associated injuries or complications as necessary

Exclusion Criteria

Do NOT use S02.621 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

21010CPT Code

Open treatment of mandibular fracture

Clinical Scenario

Used when surgical intervention is required for a subcondylar fracture.

Documentation Requirements

Operative report detailing the procedure and any complications.

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 is the importance of specifying laterality in coding fractures?

Specifying laterality is crucial for accurate coding and billing, as it affects treatment protocols and reimbursement rates. It also helps in tracking injury patterns and outcomes.