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ICD-10 Guide
ICD-10 CodesL02.12

L02.12

Billable

Furuncle of neck

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

Code Description

ICD-10 L02.12 is a billable code used to indicate a diagnosis of furuncle of neck.

Key Diagnostic Point:

A furuncle, commonly known as a boil, is a painful, pus-filled bump that forms under the skin when hair follicles become infected. The neck is a common site for furuncles due to the presence of hair follicles and sebaceous glands. Clinically, furuncles present as red, swollen nodules that may be tender to the touch and can vary in size. As the infection progresses, the center of the furuncle may become necrotic, leading to the formation of a pustule that eventually ruptures, allowing pus to drain. The condition is often caused by Staphylococcus aureus bacteria, which can enter the skin through small cuts or abrasions. Diagnosis is primarily clinical, based on the appearance of the lesion and associated symptoms such as fever or malaise. Differential diagnoses may include carbuncles, abscesses, and other skin infections. Treatment typically involves warm compresses to promote drainage, and in some cases, incision and drainage may be necessary. Antibiotics may be prescribed if the infection is severe or recurrent. Proper hygiene and skin care are essential to prevent recurrence.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Moderate, as it requires clinical evaluation and differentiation from other skin conditions.
  • Treatment complexity: Moderate, involving both conservative and surgical management options.
  • Documentation requirements: Requires detailed clinical notes regarding the presentation and treatment.
  • Coding specificity: Specific to furuncles of the neck, necessitating accurate coding to avoid misclassification.

Audit Risk Factors

  • Common coding errors: Misclassification with other skin infections or abscesses.
  • Documentation gaps: Incomplete records regarding the size, location, and treatment of the furuncle.
  • Billing challenges: Potential denials if the documentation does not support the necessity of procedures performed.

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: Primary Care

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

Furuncles, while often localized, can have significant clinical implications, especially in immunocompromised patients. They may lead to systemic infections if not treated appropriately. Understanding the epidemiology of furuncles, including risk factors such as diabetes and poor hygiene, can help healthcare providers implement preventive measures. Quality measures may include tracking the incidence of skin infections and ensuring appropriate treatment protocols are followed to reduce healthcare utilization.

ICD-9 vs ICD-10

Furuncles, while often localized, can have significant clinical implications, especially in immunocompromised patients. They may lead to systemic infections if not treated appropriately. Understanding the epidemiology of furuncles, including risk factors such as diabetes and poor hygiene, can help healthcare providers implement preventive measures. Quality measures may include tracking the incidence of skin infections and ensuring appropriate treatment protocols are followed to reduce healthcare utilization.

Reimbursement & Billing Impact

Reimbursement may vary based on the complexity of the treatment provided. Common denials can occur if the documentation does not adequately justify the need for surgical intervention or if the diagnosis is not clearly linked to the procedure. Coders should ensure that all relevant clinical details are included in the medical record to support the claim and reduce the risk of audits.

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 L02.12?

L02.12 specifically covers furuncles located on the neck. It is important to differentiate this from other skin infections such as carbuncles or abscesses, which may require different management.

When should L02.12 be used instead of related codes?

L02.12 should be used when the clinical presentation is consistent with a furuncle located on the neck. If the lesion is on another body part, the corresponding code for that location should be selected.

What documentation supports L02.12?

Documentation should include a detailed description of the lesion, including size, color, tenderness, and any associated symptoms. Notes on treatment provided, such as incision and drainage or antibiotic therapy, are also essential.