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ICD-10 Guide
ICD-10 CodesL03.2

L03.2

Non-billable

Cellulitis and acute lymphangitis of face and neck

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

Code Description

ICD-10 L03.2 is a used to indicate a diagnosis of cellulitis and acute lymphangitis of face and neck.

Key Diagnostic Point:

L03.2 refers to cellulitis and acute lymphangitis of the face and neck, which are infections of the skin and subcutaneous tissues. Clinically, cellulitis presents as a red, swollen area of skin that is warm to the touch and may be painful. It often arises from breaks in the skin, such as cuts, insect bites, or surgical wounds. The face and neck are particularly susceptible due to their vascular supply and proximity to mucosal surfaces. Acute lymphangitis, characterized by inflammation of the lymphatic vessels, may present with red streaks extending from the infected area towards the nearest lymph nodes. Symptoms can include fever, chills, and malaise. Disease progression can lead to systemic infection if not treated promptly. Diagnostic considerations include a thorough clinical examination, history of recent trauma, and potentially imaging studies to assess the extent of the infection. Laboratory tests may include blood cultures and complete blood counts to evaluate for systemic involvement. Early recognition and treatment are crucial to prevent complications such as abscess formation or sepsis.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

Specialty Focus

Medical Specialties

Primary medical specialty: 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

Secondary specialty: 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

The clinical significance of L03.2 lies in its potential to escalate into serious systemic infections if not treated promptly. It affects diverse populations, particularly those with compromised immune systems or chronic skin conditions. Understanding the epidemiology of cellulitis and lymphangitis can inform public health strategies aimed at reducing incidence rates and improving healthcare utilization patterns.

ICD-9 vs ICD-10

The clinical significance of L03.2 lies in its potential to escalate into serious systemic infections if not treated promptly. It affects diverse populations, particularly those with compromised immune systems or chronic skin conditions. Understanding the epidemiology of cellulitis and lymphangitis can inform public health strategies aimed at reducing incidence rates and improving healthcare utilization patterns.

Reimbursement & Billing Impact

Reimbursement considerations include the severity of the infection and any associated procedures performed, such as incision and drainage. Common denials may arise from insufficient documentation or lack of medical necessity. Coders should ensure that the diagnosis aligns with the services billed and that all relevant clinical information is included to support the claim.

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 L03.2?

L03.2 covers cellulitis and acute lymphangitis specifically affecting the face and neck. This includes infections that may arise from trauma, surgical procedures, or pre-existing skin conditions that compromise the skin barrier.

When should L03.2 be used instead of related codes?

L03.2 should be used when the infection is localized to the face and neck, distinguishing it from other cellulitis codes that may involve different body parts. Accurate anatomical coding is essential for appropriate treatment and billing.

What documentation supports L03.2?

Documentation should include a detailed clinical assessment, noting the extent of the infection, any underlying conditions, and treatment provided. Photographic evidence may also support the diagnosis and severity.