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ICD-10 Guide
ICD-10 CodesL02.23

L02.23

Non-billable

Carbuncle of trunk

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

Code Description

ICD-10 L02.23 is a used to indicate a diagnosis of carbuncle of trunk.

Key Diagnostic Point:

A carbuncle is a cluster of interconnected furuncles (boils) that typically occurs in areas of the body where skin is subject to friction and moisture, such as the trunk. Clinically, carbuncles present as painful, swollen lumps filled with pus, often accompanied by systemic symptoms such as fever and malaise. The underlying anatomy involved includes the hair follicles and surrounding subcutaneous tissue, which become infected by bacteria, most commonly Staphylococcus aureus. Disease progression can lead to the formation of multiple abscesses that may drain spontaneously or require surgical intervention. Diagnostic considerations include a thorough clinical examination, assessment of the patient's history, and, if necessary, laboratory tests to identify the causative organism. Differential diagnoses may include other skin infections such as cellulitis or abscesses. Prompt diagnosis and treatment are essential to prevent complications such as systemic infection or scarring.

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

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

Carbuncles can significantly impact patient quality of life due to pain and potential complications. They are more prevalent in individuals with compromised immune systems or poor hygiene. Understanding the epidemiology of carbuncles can aid in population health strategies aimed at reducing skin infections. Quality measures may include tracking the incidence of carbuncles and ensuring appropriate treatment protocols are followed to minimize healthcare utilization.

ICD-9 vs ICD-10

Carbuncles can significantly impact patient quality of life due to pain and potential complications. They are more prevalent in individuals with compromised immune systems or poor hygiene. Understanding the epidemiology of carbuncles can aid in population health strategies aimed at reducing skin infections. Quality measures may include tracking the incidence of carbuncles and ensuring appropriate treatment protocols are followed to minimize healthcare utilization.

Reimbursement & Billing Impact

Reimbursement considerations include the complexity of the procedure performed, such as incision and drainage, and whether the procedure was performed in an outpatient or inpatient setting. Common denials may arise from insufficient documentation or incorrect coding of the procedure. Best practices include ensuring that the medical necessity for the procedure is clearly documented and that all relevant details are included in the patient's medical record.

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 L02.23?

L02.23 specifically covers carbuncles located on the trunk, which are characterized by multiple interconnected boils. It does not cover single furuncles or other types of skin infections.

When should L02.23 be used instead of related codes?

L02.23 should be used when the clinical presentation indicates a carbuncle with multiple interconnected lesions on the trunk, differentiating it from single furuncles or other localized skin infections.

What documentation supports L02.23?

Documentation should include clinical notes detailing the size, location, and characteristics of the lesions, any systemic symptoms, and treatment provided. Laboratory results confirming bacterial infection may also support the diagnosis.