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ICD-10 Guide
ICD-10 CodesL02.33

L02.33

Billable

Carbuncle of buttock

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

Code Description

ICD-10 L02.33 is a billable code used to indicate a diagnosis of carbuncle of buttock.

Key Diagnostic Point:

A carbuncle of the buttock is a painful, pus-filled bump that arises from a cluster of interconnected furuncles (boils) in the skin and subcutaneous tissue. It typically occurs in areas where skin rubs together, such as the buttocks, and is often associated with hair follicles. The condition is characterized by redness, swelling, and tenderness, and may present with systemic symptoms such as fever and malaise if the infection is severe. The underlying anatomy involved includes the epidermis, dermis, and subcutaneous fat, where the infection can lead to abscess formation. Disease progression can vary; if untreated, a carbuncle may enlarge, rupture, and drain spontaneously, or it may require surgical intervention for drainage. Diagnostic considerations include a thorough clinical examination and, in some cases, culture of the pus to identify the causative organism, typically Staphylococcus aureus. It is essential to differentiate carbuncles from other skin lesions such as abscesses or cellulitis to ensure appropriate management.

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

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

The clinical significance of carbuncles lies in their potential to cause discomfort and systemic infection if not treated appropriately. They can impact population health by increasing healthcare utilization due to complications such as abscess formation or systemic infections. Quality measures may include timely diagnosis and treatment to prevent complications, and epidemiological considerations highlight the importance of hygiene and skin care in preventing such infections.

ICD-9 vs ICD-10

The clinical significance of carbuncles lies in their potential to cause discomfort and systemic infection if not treated appropriately. They can impact population health by increasing healthcare utilization due to complications such as abscess formation or systemic infections. Quality measures may include timely diagnosis and treatment to prevent complications, and epidemiological considerations highlight the importance of hygiene and skin care in preventing such infections.

Reimbursement & Billing Impact

Reimbursement considerations include the complexity of the procedure performed, whether it was a simple or complicated drainage. Common denials may arise from insufficient documentation or incorrect coding, particularly if the clinical presentation does not support the diagnosis of a carbuncle. Best practices include ensuring that all relevant clinical details are captured in the medical record 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 L02.33?

L02.33 specifically covers carbuncles located on the buttock, which are characterized by multiple interconnected boils. It does not cover isolated furuncles or abscesses that are not clustered.

When should L02.33 be used instead of related codes?

L02.33 should be used when the clinical presentation confirms a carbuncle on the buttock, particularly when multiple boils are present. If only a single boil is present, L02.32 may be more appropriate.

What documentation supports L02.33?

Documentation should include a detailed clinical examination noting the location, size, and characteristics of the carbuncle, as well as any systemic symptoms and treatment provided. Culture results, if obtained, should also be documented.