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v1.0.0
ICD-10 Guide
ICD-10 CodesB46.0

B46.0

Tinea barbae

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 B46.0 is a billable code used to indicate a diagnosis of tinea barbae.

Key Diagnostic Point:

Tinea barbae is a superficial fungal infection affecting the beard area, primarily caused by dermatophytes, particularly Trichophyton species. This condition is characterized by erythematous, scaly patches that may progress to pustules and crusting. It typically occurs in adult males who have facial hair, often linked to close contact with infected animals or individuals. The infection can present as pruritic lesions, and in some cases, it may lead to secondary bacterial infections due to scratching. Diagnosis is primarily clinical, supported by KOH examination or culture of the affected area. Treatment usually involves topical antifungals such as clotrimazole or terbinafine, but in more severe cases, systemic antifungal therapy may be necessary. Immunocompromised patients, including those with diabetes or HIV, are at higher risk for more extensive infections and may require aggressive treatment and monitoring. Proper hygiene and avoidance of sharing personal grooming items are essential preventive measures.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between tinea barbae and other dermatological conditions.
  • Understanding the various causative organisms and their implications.
  • Recognizing the need for systemic treatment in immunocompromised patients.
  • Navigating the documentation requirements for antifungal treatments.

Audit Risk Factors

  • Inadequate documentation of the clinical presentation.
  • Failure to document the patient's immunocompromised status.
  • Lack of specificity in the coding of the causative organism.
  • Insufficient evidence of treatment efficacy or follow-up.

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Detailed clinical notes including lesion description, treatment plan, and follow-up.

Common Clinical Scenarios

Patients presenting with itchy, scaly patches in the beard area.

Billing Considerations

Consideration of differential diagnoses such as folliculitis or psoriasis.

Infectious Disease

Documentation Requirements

Comprehensive history of immunocompromised status and treatment response.

Common Clinical Scenarios

Immunocompromised patients with recurrent or severe tinea barbae.

Billing Considerations

Need for systemic antifungal therapy and monitoring for complications.

Coding Guidelines

Inclusion Criteria

Use B46.0 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the condition's specifics, including the site and any underlying immunocompromised status
  • Include any relevant laboratory findings to support the diagnosis

Exclusion Criteria

Do NOT use B46.0 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits to assess treatment response.

Documentation Requirements

Document the patient's history, examination findings, and treatment plan.

Specialty Considerations

Dermatologists may require more detailed skin examination notes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of tinea barbae, improving the accuracy of data collection and reimbursement processes. This specificity aids in better tracking of fungal infections and their treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of tinea barbae, improving the accuracy of data collection and reimbursement processes. This specificity aids in better tracking of fungal infections and their treatment outcomes.

Reimbursement & Billing Impact

reimbursement processes. This specificity aids in better tracking of fungal infections and their treatment outcomes.

Resources

Clinical References

  • •
    CDC Fungal Diseases

Coding & Billing References

  • •
    CDC Fungal Diseases

Frequently Asked Questions

What are the common treatments for tinea barbae?

Common treatments include topical antifungals like clotrimazole and terbinafine. In severe cases, systemic antifungals such as itraconazole or fluconazole may be prescribed, especially for immunocompromised patients.