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v1.0.0
ICD-10 Guide
ICD-10 CodesS21.332

S21.332

Billable

Puncture wound without 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 S21.332 is a billable code used to indicate a diagnosis of puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity.

Key Diagnostic Point:

A puncture wound of the thorax occurs when a sharp object penetrates the chest wall, leading to potential complications such as pneumothorax, hemothorax, or injury to thoracic organs. In the case of S21.332, the wound is specifically located on the left front wall of the thorax and has penetrated into the thoracic cavity without the presence of a foreign body. This type of injury can result from various mechanisms, including stab wounds, gunshot wounds, or accidental punctures. Clinically, it is critical to assess for associated injuries such as rib fractures, which may compromise respiratory function, and to evaluate for potential cardiac injuries, especially if the wound is located near the heart. The management of such injuries often requires surgical intervention, including thoracotomy or chest tube placement, to address complications like air or blood accumulation in the thoracic cavity. Prompt recognition and treatment are essential to prevent severe morbidity and mortality.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for precise documentation of the wound's location and depth
  • Assessment of associated injuries (e.g., rib fractures, pneumothorax)
  • Differentiation between types of thoracic injuries
  • Potential for surgical intervention and its documentation

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries
  • Incorrect coding of the wound depth or type
  • Lack of clarity in surgical intervention documentation

Specialty Focus

Medical Specialties

Trauma Surgery

Documentation Requirements

Detailed operative notes, imaging results, and injury assessments.

Common Clinical Scenarios

Management of stab wounds, gunshot wounds, and accidental punctures.

Billing Considerations

Ensure all associated injuries are documented to support coding.

Emergency Medicine

Documentation Requirements

Comprehensive patient history, physical examination findings, and treatment provided.

Common Clinical Scenarios

Initial assessment and stabilization of patients with thoracic injuries.

Billing Considerations

Document vital signs and any immediate interventions performed.

Coding Guidelines

Inclusion Criteria

Use S21.332 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the injury's specifics, including the mechanism, location, and any associated injuries
  • Codes should reflect the most specific diagnosis based on clinical findings

Exclusion Criteria

Do NOT use S21.332 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

32000CPT Code

Thoracentesis

Clinical Scenario

Used for drainage of fluid in cases of hemothorax.

Documentation Requirements

Document indication for procedure and fluid analysis.

Specialty Considerations

Ensure proper coding based on the complexity of the procedure.

32010CPT Code

Chest tube insertion

Clinical Scenario

Performed for pneumothorax or hemothorax management.

Documentation Requirements

Document the indication and any complications.

Specialty Considerations

Include details on the size and type of tube used.

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. S21.332 provides a clear distinction for puncture wounds with penetration into the thoracic cavity, which was less specific in ICD-9.

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. S21.332 provides a clear distinction for puncture wounds with penetration into the thoracic cavity, which was less specific in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. S21.332 provides a clear distinction for puncture wounds with penetration into the thoracic cavity, which was less specific in ICD-9.

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 S21.331 and S21.332?

S21.331 refers to a puncture wound without foreign body of the right front wall of thorax, while S21.332 specifies the left front wall with penetration into the thoracic cavity.