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ICD-10 Guide
ICD-10 CodesL08.1

L08.1

Billable

Erythrasma

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

Code Description

ICD-10 L08.1 is a billable code used to indicate a diagnosis of erythrasma.

Key Diagnostic Point:

Erythrasma is a superficial skin infection caused by the bacterium Corynebacterium minutissimum, primarily affecting intertriginous areas such as the groin, axillae, and between the toes. Clinically, it presents as well-defined, reddish-brown patches with a fine scale, often mistaken for other dermatological conditions like tinea cruris or psoriasis. The condition is more prevalent in warm, humid climates and among individuals with diabetes or obesity due to increased skin friction and moisture. Disease progression is typically slow, and while erythrasma is not contagious, it can persist if left untreated. Diagnosis is primarily clinical, supported by Wood's lamp examination, which reveals a coral-red fluorescence in affected areas, and can be confirmed through culture or skin scraping. Treatment usually involves topical antibiotics such as clindamycin or erythromycin, and in more severe cases, oral antibiotics may be necessary. Regular follow-up is essential to monitor for recurrence, especially in patients with predisposing factors.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Moderate, as it can mimic other skin conditions.
  • Treatment complexity: Low to moderate, depending on severity and patient factors.
  • Documentation requirements: Moderate, necessitating clear clinical descriptions and treatment plans.
  • Coding specificity: Medium, as it requires accurate differentiation from similar conditions.

Audit Risk Factors

  • Common coding errors: Misdiagnosis or misclassification with other skin conditions.
  • Documentation gaps: Inadequate clinical details or lack of follow-up notes.
  • Billing challenges: Potential denials if the condition is not clearly documented or if treatment is not justified.

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

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Erythrasma, while not life-threatening, can significantly impact quality of life due to discomfort and cosmetic concerns. Its prevalence in populations with obesity and diabetes highlights the importance of addressing skin infections in these groups. Effective management can reduce healthcare utilization by preventing complications and recurrences, thus improving overall population health outcomes. Awareness and education about erythrasma can enhance early diagnosis and treatment, contributing to better health measures in dermatological care.

ICD-9 vs ICD-10

Erythrasma, while not life-threatening, can significantly impact quality of life due to discomfort and cosmetic concerns. Its prevalence in populations with obesity and diabetes highlights the importance of addressing skin infections in these groups. Effective management can reduce healthcare utilization by preventing complications and recurrences, thus improving overall population health outcomes. Awareness and education about erythrasma can enhance early diagnosis and treatment, contributing to better health measures in dermatological care.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the treatment provided aligns with the documented diagnosis. Common denials may occur if the documentation does not clearly demonstrate the necessity of the treatment or if the diagnosis is not substantiated. Coders should ensure that all relevant clinical details are included in the patient’s record, and that follow-up visits are documented to support ongoing treatment plans. Best practices include using specific codes for the condition and maintaining clear communication with payers regarding the treatment rationale.

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 L08.1?

L08.1 specifically covers erythrasma, a bacterial skin infection characterized by reddish-brown patches, primarily affecting intertriginous areas. It is important to differentiate it from fungal infections and other dermatoses.

When should L08.1 be used instead of related codes?

L08.1 should be used when the diagnosis is confirmed as erythrasma, particularly when clinical presentation and diagnostic tests (like Wood's lamp) support this specific condition, differentiating it from tinea or other skin infections.

What documentation supports L08.1?

Documentation should include a detailed clinical description of the lesions, results from diagnostic tests (such as Wood's lamp examination), and treatment plans. Follow-up notes indicating the response to treatment are also essential.