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ICD-10 Guide
ICD-10 CodesS21.22

S21.22

Billable

Laceration with foreign body of back wall of thorax without penetration into thoracic cavity

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

Code Description

ICD-10 S21.22 is a billable code used to indicate a diagnosis of laceration with foreign body of back wall of thorax without penetration into thoracic cavity.

Key Diagnostic Point:

S21.22 refers to a specific type of thoracic injury characterized by a laceration on the back wall of the thorax that is accompanied by a foreign body but does not penetrate the thoracic cavity. This condition can arise from various traumatic incidents, such as accidents involving sharp objects or projectiles. Clinically, it is crucial to assess the extent of the laceration and the nature of the foreign body, as these factors can influence treatment decisions. While the thoracic cavity remains intact, there is still a risk of associated injuries, such as rib fractures, pneumothorax, or hemothorax, which may necessitate further evaluation and intervention. The management of such injuries often involves wound care, potential surgical intervention to remove the foreign body, and monitoring for complications. Accurate coding of this condition is essential for appropriate reimbursement and tracking of trauma-related healthcare services.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between lacerations with and without foreign bodies
  • Assessing the need for additional codes for associated injuries
  • Understanding the implications of non-penetrating versus penetrating injuries
  • Documentation requirements for foreign body retrieval

Audit Risk Factors

  • Inadequate documentation of the foreign body
  • Failure to document associated injuries
  • Misclassification of penetrating versus non-penetrating injuries
  • Lack of clarity in the treatment plan

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed description of the injury mechanism, foreign body characteristics, and any associated injuries.

Common Clinical Scenarios

Patients presenting with trauma from accidents, falls, or assaults with lacerations.

Billing Considerations

Ensure that all relevant imaging and assessments are documented to support coding.

Trauma Surgery

Documentation Requirements

Comprehensive surgical notes detailing the procedure for foreign body removal and any repairs performed.

Common Clinical Scenarios

Surgical intervention for lacerations with foreign bodies, especially in cases with potential complications.

Billing Considerations

Document the surgical approach and any complications encountered during the procedure.

Coding Guidelines

Inclusion Criteria

Use S21.22 When
  • According to ICD
  • 10 guidelines, S21
  • 22 should be used when a patient presents with a laceration on the back wall of the thorax that includes a foreign body but does not penetrate the thoracic cavity
  • Coders must ensure that the documentation supports the diagnosis and that any associated injuries are coded appropriately

Exclusion Criteria

Do NOT use S21.22 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 laceration after foreign body removal.

Documentation Requirements

Document the size and location of the laceration, as well as the foreign body characteristics.

Specialty Considerations

Emergency medicine specialists should ensure that all aspects of the injury are documented.

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

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 significance of coding S21.22 accurately?

Accurate coding of S21.22 is crucial for proper reimbursement, tracking of trauma cases, and ensuring that patients receive appropriate care based on the severity of their injuries.