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ICD-10 Guide
ICD-10 CodesS21.232

S21.232

Billable

Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity

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

Code Description

ICD-10 S21.232 is a billable code used to indicate a diagnosis of puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity.

Key Diagnostic Point:

A puncture wound of the thorax refers to a breach in the skin and underlying tissues of the thoracic wall, specifically the left back wall, without the presence of a foreign body and without penetrating the thoracic cavity. This type of injury can occur due to various mechanisms, including sharp objects, accidental injuries, or even certain medical procedures. Clinically, it is essential to assess the wound for signs of infection, bleeding, or damage to underlying structures such as ribs, lungs, or major blood vessels. While this specific code indicates that there is no penetration into the thoracic cavity, it is crucial to monitor for complications such as pneumothorax (air in the pleural space) or hemothorax (blood in the pleural space), which can arise from associated rib fractures or blunt trauma. Proper management may involve wound care, pain management, and monitoring for any respiratory distress or other complications. The absence of a foreign body simplifies the clinical picture, but thorough documentation of the injury's mechanism and any associated injuries is vital for accurate coding and treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of thoracic injuries
  • Assessing for associated rib fractures or pneumothorax
  • Documenting the absence of foreign bodies
  • Understanding the implications of thoracic wall injuries

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to note associated injuries or complications
  • Misclassification of the wound type
  • Inconsistent coding of related procedures

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed description of the injury mechanism, assessment of vital signs, and any immediate interventions performed.

Common Clinical Scenarios

Patients presenting with stab wounds, accidental punctures, or post-surgical complications.

Billing Considerations

Ensure that all associated injuries are documented, and follow-up care is noted.

Trauma Surgery

Documentation Requirements

Comprehensive surgical notes detailing the injury, surgical interventions, and post-operative care.

Common Clinical Scenarios

Management of traumatic thoracic injuries, including repair of the thoracic wall.

Billing Considerations

Document any surgical findings that may affect coding, such as the presence of rib fractures.

Coding Guidelines

Inclusion Criteria

Use S21.232 When
  • According to ICD
  • 10 guidelines, this code should be used when the puncture wound does not involve a foreign body and does not penetrate the thoracic cavity
  • Coders must ensure that the documentation supports the absence of complications such as pneumothorax or hemothorax

Exclusion Criteria

Do NOT use S21.232 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for the repair of the puncture wound if suturing is required.

Documentation Requirements

Document the size of the wound and the method of repair.

Specialty Considerations

Ensure that the repair is documented as related to the puncture wound.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of thoracic injuries, improving the accuracy of data collection and reimbursement processes. S21.232 provides a clear distinction from other thoracic injuries, facilitating better patient management and tracking of outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of thoracic injuries, improving the accuracy of data collection and reimbursement processes. S21.232 provides a clear distinction from other thoracic injuries, facilitating better patient management and tracking of outcomes.

Reimbursement & Billing Impact

reimbursement processes. S21.232 provides a clear distinction from other thoracic injuries, facilitating better patient management and tracking of outcomes.

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 a puncture wound and a laceration?

A puncture wound is a small hole caused by a sharp object that penetrates the skin, while a laceration is a tear or cut in the skin that may be deeper and wider.