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ICD-10 Guide
ICD-10 CodesS21.219

S21.219

Billable

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

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

Code Description

ICD-10 S21.219 is a billable code used to indicate a diagnosis of laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity.

Key Diagnostic Point:

S21.219 refers to a laceration of the back wall of the thorax that does not involve a foreign body and does not penetrate the thoracic cavity. This type of injury can occur due to blunt or penetrating trauma, such as falls, motor vehicle accidents, or assaults. Clinically, it is important to assess the extent of the laceration and monitor for potential complications, including pneumothorax, hemothorax, or rib fractures. While the laceration itself may not penetrate the thoracic cavity, associated injuries can lead to significant morbidity. Proper imaging, such as chest X-rays or CT scans, may be necessary to rule out underlying injuries. Treatment typically involves wound care, possible suturing, and monitoring for complications. The absence of a foreign body simplifies the management but requires careful evaluation to ensure no deeper structures are compromised.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of thoracic injuries
  • Assessing for associated rib fractures or pneumothorax
  • Understanding the implications of non-penetrating vs. penetrating injuries
  • Documentation of the mechanism of injury

Audit Risk Factors

  • Inadequate documentation of the injury mechanism
  • Failure to document associated injuries (e.g., rib fractures)
  • Misclassification of the injury type
  • Lack of imaging results in the medical record

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed account of the injury mechanism, physical exam findings, and any imaging results.

Common Clinical Scenarios

Patients presenting with chest trauma from falls or accidents, requiring assessment for rib fractures or pneumothorax.

Billing Considerations

Ensure that all associated injuries are documented to support the coding of S21.219.

Trauma Surgery

Documentation Requirements

Comprehensive surgical notes detailing the extent of the laceration and any interventions performed.

Common Clinical Scenarios

Surgical intervention for thoracic lacerations, including repair of associated injuries.

Billing Considerations

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

Coding Guidelines

Inclusion Criteria

Use S21.219 When
  • Follow official ICD
  • CM guidelines for coding injuries, ensuring accurate documentation of the injury site, type, and any associated conditions

Exclusion Criteria

Do NOT use S21.219 When
  • Exclude codes for penetrating injuries or those involving foreign bodies

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used for suturing the laceration in the emergency department.

Documentation Requirements

Document the size and location of the laceration, as well as the repair technique used.

Specialty Considerations

Emergency medicine providers should ensure that the repair is documented in detail.

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.

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.

Reimbursement & Billing Impact

reimbursement processes.

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 S21.219 and S21.211?

S21.219 is used for lacerations without foreign bodies, while S21.211 is for lacerations that involve a foreign body.