B35.9
Dermatophytosis, unspecified
Clinical Classification Guidelines
Inclusion Terms
- Ringworm NOS
Medical Intelligence & Overview
Dermatophytosis, commonly known as ringworm, is a fungal infection that affects the skin, hair, and nails. Despite its name, ringworm is not caused by a worm but by a group of fungi called dermatophytes. When the exact location or type of dermatophyte infection isn't specified, it is classified under the code B35.9 in the ICD-10 system. This condition is contagious and can affect individuals of all ages, although certain populations may be more susceptible. Recognizing the signs and understanding the basics of dermatophytosis can aid in prompt identification and management.
Causes & Symptoms
Clinical Causes: Contact with infected individuals or animals, such as cats, dogs, or livestock Infected clothing, towels, or bedding Sharing personal items with an infected person Humid or sweaty environments that promote fungal growth Broken or damaged skin which provides an entry point for fungi Compromised immune system or underlying health conditions
Key Symptoms: Ring-shaped rash with a clear center and a scaly, raised border Itching or discomfort at the affected site Redness and inflammation of the skin Cracking or peeling skin Formation of flaky or scaly patches Hair loss in scalp infections Nail thickening, discoloration, or crumbling in nail involvement
Diagnostic & Treatment
Diagnosis Path: Diagnosis is generally made through a clinical examination of the affected skin by a healthcare professional. In some cases, skin scrapings or hair samples are taken for microscopic examination or fungal culture to identify the specific dermatophyte involved. These tests help differentiate dermatophytosis from other skin conditions that may present with similar symptoms, such as eczema or psoriasis.
Treatment Protocols: Treatment options aim to eliminate the fungal infection and reduce symptoms. These typically include the application of topical antifungal medications such as clotrimazole or terbinafine. In more extensive or persistent cases, oral antifungal drugs may be prescribed. It's also important to keep the affected area clean and dry, avoid sharing personal items, and maintain good hygiene practices. Infections in nails or scalp may require specialized or prolonged treatment. Preventive measures involve avoiding contact with infected individuals and animals, and practicing proper hygiene to minimize recurrence.
Clinical Advice & FAQs
Billing Guidance
Is B35.9 a billable ICD-10 code?
Yes, B35.9 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report B35.9?
Clinical documentation must specify the nature of Dermatophytosis, unspecified and any associated comorbidities for accurate reporting.
Cite this Clinical Reference