ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesL03.03

L03.03

Non-billable

Cellulitis of toe

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 L03.03 is a used to indicate a diagnosis of cellulitis of toe.

Key Diagnostic Point:

Cellulitis of the toe is a bacterial skin infection that affects the dermis and subcutaneous tissues, typically caused by Staphylococcus aureus or Streptococcus species. Clinically, it presents as redness, swelling, warmth, and tenderness in the affected area, often accompanied by systemic symptoms such as fever and malaise. The anatomy involved primarily includes the skin layers and underlying connective tissues of the toe. Disease progression can lead to complications such as abscess formation, necrotizing fasciitis, or systemic infection if left untreated. Diagnostic considerations include a thorough clinical examination, patient history, and, in some cases, imaging studies to rule out abscesses or foreign bodies. Laboratory tests may also be performed to identify the causative organism and assess the severity of the infection. Prompt diagnosis and treatment are crucial to prevent complications and ensure optimal patient outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires clinical evaluation and may involve laboratory tests.
  • Treatment complexity: May necessitate antibiotics and, in severe cases, surgical intervention.
  • Documentation requirements: Detailed clinical notes are essential for accurate coding.
  • Coding specificity: Requires precise coding to differentiate from other skin infections.

Audit Risk Factors

  • Common coding errors: Misclassification with other skin infections.
  • Documentation gaps: Incomplete clinical notes may lead to coding inaccuracies.
  • Billing challenges: Denials may occur if documentation does not support the diagnosis.

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Infectious Disease

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Cellulitis of the toe can significantly impact patient health, leading to increased healthcare utilization due to potential complications such as hospitalization or surgical intervention. Understanding the epidemiology of cellulitis, including risk factors such as diabetes and immunocompromised states, is crucial for population health management. Quality measures may include tracking infection rates and treatment outcomes to improve care delivery.

ICD-9 vs ICD-10

Cellulitis of the toe can significantly impact patient health, leading to increased healthcare utilization due to potential complications such as hospitalization or surgical intervention. Understanding the epidemiology of cellulitis, including risk factors such as diabetes and immunocompromised states, is crucial for population health management. Quality measures may include tracking infection rates and treatment outcomes to improve care delivery.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the infection and the complexity of treatment provided. Common denials may arise from insufficient documentation or coding errors, particularly if the clinical notes do not clearly indicate the diagnosis or the extent of the infection. Best practices include ensuring that all relevant clinical information is documented and that the coding accurately reflects the services rendered.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by L03.03?

L03.03 specifically covers cellulitis localized to the toe, which may arise from trauma, insect bites, or skin conditions that compromise the skin barrier. It is essential to differentiate it from other infections such as abscesses or necrotizing fasciitis.

When should L03.03 be used instead of related codes?

L03.03 should be used when the infection is specifically localized to the toe. If the infection involves other areas, such as the foot or leg, other codes like L03.01 or L03.02 may be more appropriate.

What documentation supports L03.03?

Documentation should include a detailed clinical assessment, including the onset of symptoms, physical examination findings, any relevant laboratory results, and treatment plans. Clear notes on the patient's history and any underlying conditions are also necessary.