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ICD-10 Guide
ICD-10 CodesS81.802

S81.802

Billable

Unspecified open wound, left lower leg

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

Code Description

ICD-10 S81.802 is a billable code used to indicate a diagnosis of unspecified open wound, left lower leg.

Key Diagnostic Point:

An unspecified open wound of the left lower leg refers to a traumatic injury that results in a break in the skin and underlying tissues in the area between the knee and the ankle. This type of injury can occur due to various mechanisms, including falls, accidents, or penetrating injuries. The clinical presentation may vary from superficial abrasions to deep lacerations that expose muscle, tendons, or bone. Open wounds can lead to complications such as infection, delayed healing, and potential damage to surrounding structures, including nerves and blood vessels. In the context of knee injuries, tibial or fibular fractures, and ligament tears, the presence of an open wound may complicate the management and treatment plan. Orthopedic reconstructive procedures may be necessary to restore function and stability, particularly if the wound is associated with significant soft tissue loss or fracture. Accurate coding requires careful assessment of the wound's characteristics, associated injuries, and the overall clinical picture to ensure appropriate treatment and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in wound severity and type
  • Potential for associated fractures or ligament injuries
  • Need for detailed documentation of the injury mechanism
  • Differentiation from similar codes for closed wounds

Audit Risk Factors

  • Inadequate documentation of the injury mechanism
  • Failure to specify the depth and extent of the wound
  • Misclassification of the wound type (open vs. closed)
  • Lack of follow-up documentation regarding healing or complications

Specialty Focus

Medical Specialties

Orthopedic Surgery

Documentation Requirements

Detailed descriptions of the injury, treatment plan, and any surgical interventions performed.

Common Clinical Scenarios

Fractures associated with open wounds, ligament repairs, and reconstructive surgeries.

Billing Considerations

Ensure that all associated injuries are documented to support the coding of S81.802.

Emergency Medicine

Documentation Requirements

Thorough assessment of the wound, including size, depth, and any foreign bodies present.

Common Clinical Scenarios

Initial evaluation and management of traumatic injuries leading to open wounds.

Billing Considerations

Document the mechanism of injury and any immediate interventions performed.

Coding Guidelines

Inclusion Criteria

Use S81.802 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code accurately reflects the clinical scenario
  • Include any relevant external cause codes to provide context for the injury

Exclusion Criteria

Do NOT use S81.802 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

11042CPT Code

Debridement, open wound

Clinical Scenario

Used for surgical cleaning of an open wound on the left lower leg.

Documentation Requirements

Document the extent of debridement and any associated procedures.

Specialty Considerations

Orthopedic surgeons should ensure that the procedure aligns with the 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 data collection and reimbursement processes. S81.802 provides a clear designation for unspecified open wounds, facilitating better tracking of injury patterns and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of open wounds, improving the accuracy of data collection and reimbursement processes. S81.802 provides a clear designation for unspecified open wounds, facilitating better tracking of injury patterns and treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. S81.802 provides a clear designation for unspecified open wounds, facilitating better tracking of injury patterns and treatment outcomes.

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 for an open wound to ensure accurate coding?

Document the mechanism of injury, the depth and extent of the wound, any associated injuries, and the treatment provided. This information is crucial for accurate coding and billing.