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ICD-10 Guide
ICD-10 CodesS21.339

S21.339

Billable

Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity

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

Code Description

ICD-10 S21.339 is a billable code used to indicate a diagnosis of puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity.

Key Diagnostic Point:

A puncture wound of the thorax is a penetrating injury that breaches the chest wall, potentially leading to serious complications such as pneumothorax, hemothorax, or cardiac injury. This specific code refers to a puncture wound that does not involve a foreign body and penetrates the thoracic cavity, which can result in air or blood accumulation in the pleural space. Clinically, such injuries may arise from various mechanisms, including stab wounds, gunshot wounds, or accidental injuries. The front wall of the thorax is often involved in trauma cases, and the absence of a foreign body suggests that the injury is primarily due to the puncture itself rather than an object remaining in the body. The management of these injuries typically requires thorough assessment, imaging studies, and may necessitate surgical intervention to repair the damage and prevent complications. The complexity of treatment and coding arises from the need to evaluate associated injuries, such as rib fractures or damage to internal organs, which can complicate the clinical picture and influence coding decisions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for precise documentation of the injury mechanism
  • Assessment of associated injuries (e.g., rib fractures, pneumothorax)
  • Differentiation from similar codes (e.g., with foreign body)
  • Potential for multiple procedures and diagnoses

Audit Risk Factors

  • Inadequate documentation of the injury mechanism
  • Failure to document associated injuries
  • Incorrect coding of complications (e.g., pneumothorax)
  • Lack of clarity in surgical intervention details

Specialty Focus

Medical Specialties

Trauma Surgery

Documentation Requirements

Detailed operative reports, imaging results, and injury assessments are crucial.

Common Clinical Scenarios

Management of stab wounds, gunshot wounds, and accidental puncture injuries.

Billing Considerations

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

Emergency Medicine

Documentation Requirements

Thorough initial assessment notes, including vital signs and imaging findings.

Common Clinical Scenarios

Acute management of chest trauma and stabilization of patients.

Billing Considerations

Document the mechanism of injury and any immediate interventions performed.

Coding Guidelines

Inclusion Criteria

Use S21.339 When
  • Follow official ICD
  • CM guidelines for coding injuries, ensuring specificity in documentation
  • Include details about the mechanism of injury and any associated complications

Exclusion Criteria

Do NOT use S21.339 When
  • Exclude codes for injuries with foreign bodies unless explicitly stated

Related ICD-10 Codes

Related CPT Codes

32000CPT Code

Thoracentesis

Clinical Scenario

Used for drainage of pleural effusion or hemothorax following a puncture wound.

Documentation Requirements

Document indication for procedure, patient consent, and post-procedure assessment.

Specialty Considerations

Ensure that the procedure is linked to the diagnosis of S21.339.

39000CPT Code

Chest tube insertion

Clinical Scenario

Indicated for managing pneumothorax or hemothorax resulting from a puncture wound.

Documentation Requirements

Document the need for chest tube placement and any complications.

Specialty Considerations

Link the procedure to the diagnosis accurately.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding injuries like S21.339, enabling better tracking of trauma cases and associated complications. This specificity aids in research and quality improvement initiatives.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding injuries like S21.339, enabling better tracking of trauma cases and associated complications. This specificity aids in research and quality improvement initiatives.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding injuries like S21.339, enabling better tracking of trauma cases and associated complications. This specificity aids in research and quality improvement initiatives.

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 S21.339 and S21.339A?

S21.339 refers to a puncture wound without a foreign body, while S21.339A indicates a puncture wound that includes a foreign body. Accurate documentation is essential to determine which code to use.