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ICD-10 Guide
ICD-10 CodesS21.322

S21.322

Billable

Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/23/2025

Code Description

ICD-10 S21.322 is a billable code used to indicate a diagnosis of laceration with foreign body of left front wall of thorax with penetration into thoracic cavity.

Key Diagnostic Point:

S21.322 refers to a traumatic injury characterized by a laceration of the left front wall of the thorax, which is complicated by the presence of a foreign body that has penetrated into the thoracic cavity. This type of injury is often the result of blunt or penetrating trauma, such as stab wounds or gunshot injuries. The thoracic cavity houses vital organs, including the heart and lungs, making such injuries potentially life-threatening. Complications may include pneumothorax (air in the pleural space), hemothorax (blood in the pleural space), rib fractures, and cardiac injuries. Immediate medical intervention is critical to assess and manage these complications, which may involve imaging studies, thoracentesis, or surgical interventions such as thoracotomy. Accurate coding of this condition is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Presence of foreign body complicates the injury
  • Potential for multiple associated injuries (e.g., pneumothorax, hemothorax)
  • Need for detailed documentation of trauma mechanism
  • Variability in surgical interventions required

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries
  • Misclassification of the type of foreign body
  • Lack of clarity on surgical interventions performed

Specialty Focus

Medical Specialties

Trauma Surgery

Documentation Requirements

Detailed operative reports, imaging results, and notes on the mechanism of injury.

Common Clinical Scenarios

Management of penetrating chest trauma, surgical repair of thoracic injuries.

Billing Considerations

Ensure all associated injuries are documented to support coding for complications.

Emergency Medicine

Documentation Requirements

Comprehensive assessment notes, including vital signs and initial management steps.

Common Clinical Scenarios

Initial evaluation and stabilization of patients with chest trauma.

Billing Considerations

Document all interventions performed in the emergency setting to justify coding.

Coding Guidelines

Inclusion Criteria

Use S21.322 When
  • Follow official ICD
  • CM guidelines for coding injuries, ensuring accurate documentation of the injury site, type, and any associated complications
  • Include details on the foreign body and its implications for treatment

Exclusion Criteria

Do NOT use S21.322 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

32000CPT Code

Thoracentesis

Clinical Scenario

Used to drain fluid or air from the pleural space in cases of hemothorax or pneumothorax.

Documentation Requirements

Document the indication for the procedure, the amount of fluid removed, and any complications.

Specialty Considerations

Ensure that the procedure is performed by a qualified provider and documented accordingly.

32100CPT Code

Thoracotomy

Clinical Scenario

Performed for surgical intervention in cases of penetrating thoracic injuries.

Documentation Requirements

Detailed operative report including findings and interventions.

Specialty Considerations

Document the surgical approach and any complications encountered.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of injuries, including those with foreign bodies. This specificity aids in better tracking of trauma cases and improves the accuracy of healthcare data.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of injuries, including those with foreign bodies. This specificity aids in better tracking of trauma cases and improves the accuracy of healthcare data.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of injuries, including those with foreign bodies. This specificity aids in better tracking of trauma cases and improves the accuracy of healthcare data.

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 significance of coding S21.322 accurately?

Accurate coding of S21.322 is crucial for appropriate treatment planning, reimbursement, and tracking of trauma cases. It ensures that healthcare providers are compensated for the complexity of care required for patients with penetrating thoracic injuries.