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ICD-10 Guide
ICD-10 CodesS81.842

S81.842

Billable

Puncture wound with foreign body, left lower leg

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/26/2025

Code Description

ICD-10 S81.842 is a billable code used to indicate a diagnosis of puncture wound with foreign body, left lower leg.

Key Diagnostic Point:

A puncture wound with a foreign body in the left lower leg typically occurs when a sharp object penetrates the skin and underlying tissues, potentially introducing foreign materials such as dirt, metal, or wood. This type of injury can lead to complications such as infection, tissue damage, and delayed healing. The left lower leg encompasses the area from the knee to the ankle, including the tibia and fibula bones. In cases where the puncture wound is deep, it may also affect the surrounding ligaments, tendons, and muscles. Proper assessment is crucial to determine the extent of the injury, which may involve imaging studies to rule out fractures or foreign body retention. Treatment often includes cleaning the wound, removing any foreign material, and possibly suturing if the wound is deep. In some cases, orthopedic intervention may be necessary, especially if there is associated damage to the knee joint or fractures of the tibia or fibula. The presence of a foreign body complicates the healing process and requires careful monitoring for signs of infection or other complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Identification of the foreign body type and its location
  • Assessment of associated injuries (e.g., fractures, ligament tears)
  • Documentation of the depth and extent of the puncture wound
  • Differentiation from similar codes for other types of wounds

Audit Risk Factors

  • Inadequate documentation of the foreign body type
  • Failure to document associated injuries or complications
  • Misclassification of the wound depth
  • Lack of follow-up documentation for healing or complications

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed operative notes, imaging results, and follow-up care documentation.

Common Clinical Scenarios

Management of puncture wounds with foreign bodies that may require surgical intervention.

Billing Considerations

Ensure accurate coding of any associated fractures or ligament injuries.

Emergency Medicine

Documentation Requirements

Comprehensive assessment notes, including mechanism of injury and initial treatment provided.

Common Clinical Scenarios

Initial evaluation and treatment of puncture wounds in the emergency department.

Billing Considerations

Document the patient's tetanus status and any prophylactic measures taken.

Coding Guidelines

Inclusion Criteria

Use S81.842 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code accurately reflects the clinical scenario
  • Include documentation of the foreign body and any associated injuries

Exclusion Criteria

Do NOT use S81.842 When
  • Exclude codes for superficial wounds or other types of injuries that do not involve a foreign body

Related ICD-10 Codes

Related CPT Codes

12001CPT Code

Simple repair of superficial wounds

Clinical Scenario

Used when the puncture wound requires suturing.

Documentation Requirements

Document the size of the wound and the method of closure.

Specialty Considerations

Orthopedic surgeons may need to document any underlying injuries.

20610CPT Code

Arthrocentesis, aspiration and/or injection into a major joint or bursa

Clinical Scenario

If the puncture wound involves the knee joint.

Documentation Requirements

Document the indication for the procedure and any findings.

Specialty Considerations

Ensure that the procedure is linked to the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specificity in coding puncture wounds, particularly with the inclusion of foreign bodies. This has improved the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specificity in coding puncture wounds, particularly with the inclusion of foreign bodies. This has improved 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 should I document to support the use of S81.842?

Document the type of foreign body, the depth of the wound, any associated injuries, and the treatment provided. Ensure that follow-up care is also documented.