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ICD-10 Guide
ICD-10 CodesS21.93

S21.93

Billable

Puncture wound without foreign body of unspecified part of thorax

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

Code Description

ICD-10 S21.93 is a billable code used to indicate a diagnosis of puncture wound without foreign body of unspecified part of thorax.

Key Diagnostic Point:

A puncture wound of the thorax is a penetrating injury that can result from various mechanisms, including sharp objects or projectiles. This type of injury can lead to significant complications, such as pneumothorax (air in the pleural space), hemothorax (blood in the pleural space), rib fractures, and potential cardiac injuries. The thoracic cavity houses vital organs, including the lungs and heart, making puncture wounds particularly concerning. The absence of a foreign body indicates that the injury may not involve retained objects, which can simplify management but does not eliminate the risk of serious complications. Clinical evaluation typically includes imaging studies such as chest X-rays or CT scans to assess for associated injuries. Treatment may involve observation, drainage of fluid collections, or surgical intervention depending on the severity and nature of the injury. Accurate coding is essential for appropriate reimbursement and to reflect the complexity of care provided.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of injuries
  • Need for imaging studies to rule out complications
  • Potential for associated injuries requiring additional codes
  • Documentation of the mechanism of injury and treatment provided

Audit Risk Factors

  • Inadequate documentation of the mechanism of injury
  • Failure to document associated injuries or complications
  • Misclassification of the type of wound
  • Lack of follow-up documentation regarding treatment outcomes

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Detailed account of the injury mechanism, vital signs, and initial treatment provided.

Common Clinical Scenarios

Patients presenting with stab wounds, gunshot wounds, or accidental punctures.

Billing Considerations

Ensure documentation reflects the urgency of care and any immediate interventions performed.

Thoracic Surgery

Documentation Requirements

Operative reports detailing the surgical approach, findings, and any complications encountered.

Common Clinical Scenarios

Patients requiring surgical intervention for hemothorax or pneumothorax following a puncture wound.

Billing Considerations

Accurate coding of surgical procedures performed in conjunction with the injury.

Coding Guidelines

Inclusion Criteria

Use S21.93 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code reflects the specific nature of the injury and any associated conditions
  • Include additional codes for complications such as pneumothorax or hemothorax as necessary

Exclusion Criteria

Do NOT use S21.93 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

32551CPT Code

Thoracentesis

Clinical Scenario

Used for drainage of pleural effusion following a puncture wound.

Documentation Requirements

Document the indication for the procedure and the amount of fluid removed.

Specialty Considerations

Ensure that the procedure is linked to the diagnosis of pneumothorax or hemothorax.

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 granularity of data for research and reimbursement purposes. S21.93 provides a clear distinction for puncture wounds without foreign bodies, aiding in accurate clinical documentation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of thoracic injuries, improving the granularity of data for research and reimbursement purposes. S21.93 provides a clear distinction for puncture wounds without foreign bodies, aiding in accurate clinical documentation.

Reimbursement & Billing Impact

reimbursement purposes. S21.93 provides a clear distinction for puncture wounds without foreign bodies, aiding in accurate clinical documentation.

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 S21.93 and S21.91?

S21.93 is used for puncture wounds without foreign bodies, while S21.91 is for those with foreign bodies present. Accurate documentation is essential to determine which code to use.