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v1.0.0
ICD-10 Guide
ICD-10 CodesS81.8

S81.8

Billable

Open wound of lower leg

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

Code Description

ICD-10 S81.8 is a billable code used to indicate a diagnosis of open wound of lower leg.

Key Diagnostic Point:

An open wound of the lower leg refers to a break in the skin that exposes underlying tissues, muscles, or bones in the area between the knee and the ankle. This type of injury can result from various causes, including trauma, accidents, or surgical procedures. Open wounds can be classified into different types, such as lacerations, abrasions, and puncture wounds, and may vary in severity from superficial to deep. In the context of knee injuries, tibial or fibular fractures, and ligament tears, open wounds can complicate the healing process and increase the risk of infection. Orthopedic reconstructive procedures may be necessary to repair damaged structures, restore function, and ensure proper healing. The management of open wounds often involves thorough cleaning, debridement, and, in some cases, surgical intervention to close the wound and stabilize any associated fractures or ligament injuries. Proper documentation of the wound's characteristics, associated injuries, and treatment provided is essential for accurate coding and billing.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential associated injuries (fractures, ligament tears)
  • Need for detailed documentation of wound characteristics
  • Variability in treatment approaches (surgical vs. conservative)
  • Potential for complications (infection, delayed healing)

Audit Risk Factors

  • Inadequate documentation of wound characteristics
  • Failure to document associated injuries or procedures
  • Incorrect coding of the severity of the wound
  • Lack of clarity in treatment plans

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed descriptions of the wound, associated fractures, and surgical procedures performed.

Common Clinical Scenarios

Open fractures, ligament repairs, and wound debridement.

Billing Considerations

Ensure accurate coding of both the wound and any associated orthopedic procedures.

Emergency Medicine

Documentation Requirements

Thorough documentation of the mechanism of injury, initial assessment, and treatment provided.

Common Clinical Scenarios

Traumatic injuries leading to open wounds, including motor vehicle accidents and falls.

Billing Considerations

Document all interventions and follow-up care to support coding.

Coding Guidelines

Inclusion Criteria

Use S81.8 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the wound's location, type, and any associated injuries
  • Include details about the treatment provided and any complications that arise

Exclusion Criteria

Do NOT use S81.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11042CPT Code

Debridement, open wound

Clinical Scenario

Used when performing surgical debridement of an open wound on the lower leg.

Documentation Requirements

Document the extent of debridement and any associated procedures.

Specialty Considerations

Orthopedic surgeons should ensure that the procedure is linked to the correct diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of open wounds, improving the accuracy of medical records and billing. This specificity helps in tracking outcomes and managing care more effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of open wounds, improving the accuracy of medical records and billing. This specificity helps in tracking outcomes and managing care more effectively.

Reimbursement & Billing Impact

billing. This specificity helps in tracking outcomes and managing care more effectively.

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 S81.8 and S81.0?

S81.8 refers specifically to open wounds of the lower leg, while S81.0 is used for unspecified open wounds. Accurate documentation is essential to determine the correct code.