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ICD-10 Guide
ICD-10 CodesL03.012

L03.012

Billable

Cellulitis of left finger

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

Code Description

ICD-10 L03.012 is a billable code used to indicate a diagnosis of cellulitis of left finger.

Key Diagnostic Point:

Cellulitis of the left finger is a bacterial skin infection that affects the dermis and subcutaneous tissues. Clinically, it presents with localized swelling, redness, warmth, and tenderness in the affected finger, often accompanied by systemic symptoms such as fever and malaise. The condition typically arises from breaks in the skin, such as cuts, insect bites, or other injuries, allowing bacteria, most commonly Streptococcus or Staphylococcus species, to enter. Disease progression can lead to complications such as abscess formation or systemic infection if left untreated. Diagnosis is primarily clinical, supported by patient history and physical examination, although imaging may be utilized to rule out abscesses or other underlying conditions. Laboratory tests, including blood cultures, may be indicated in severe cases or when systemic symptoms are present. Prompt diagnosis and treatment are crucial to prevent complications and ensure optimal recovery.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Moderate due to the need for clinical evaluation and potential imaging.
  • Treatment complexity: Moderate; may require antibiotics and, in some cases, surgical intervention.
  • Documentation requirements: Requires detailed documentation of symptoms, treatment plans, and follow-up.
  • Coding specificity: Specific to cellulitis of the left finger, necessitating accurate coding to avoid errors.

Audit Risk Factors

  • Common coding errors: Misidentification of the affected finger or misclassification of the condition.
  • Documentation gaps: Incomplete records regarding the onset, treatment, and follow-up care.
  • Billing challenges: Potential denials due to lack of specificity or insufficient documentation.

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 left finger can significantly impact patient health, leading to complications if not treated promptly. It is a common condition that affects various populations, particularly those with compromised immune systems or chronic skin conditions. Understanding the epidemiology of cellulitis can help healthcare providers implement preventive measures and improve quality of care. Effective management of cellulitis contributes to reduced healthcare utilization and improved patient outcomes.

ICD-9 vs ICD-10

Cellulitis of the left finger can significantly impact patient health, leading to complications if not treated promptly. It is a common condition that affects various populations, particularly those with compromised immune systems or chronic skin conditions. Understanding the epidemiology of cellulitis can help healthcare providers implement preventive measures and improve quality of care. Effective management of cellulitis contributes to reduced healthcare utilization and improved patient outcomes.

Reimbursement & Billing Impact

reimbursement and to ensure that all relevant codes are submitted accurately to avoid delays in payment.

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 L03.012?

L03.012 specifically covers cellulitis localized to the left finger, which may arise from various causes including trauma, insect bites, or surgical wounds. It is characterized by inflammation and infection of the skin and subcutaneous tissue.

When should L03.012 be used instead of related codes?

L03.012 should be used when the cellulitis is specifically localized to the left finger. If the infection is on the right finger, L03.011 should be used. Accurate coding is essential for appropriate treatment and reimbursement.

What documentation supports L03.012?

Documentation should include a detailed history of the presenting symptoms, physical examination findings, treatment provided, and any follow-up care. Notes should clearly indicate the location of the cellulitis and any relevant patient history.