B35.2
Tinea manuum
Clinical Classification Guidelines
Inclusion Terms
- Dermatophytosis of hand
- Hand ringworm
Medical Intelligence & Overview
Tinea manuum, commonly known as hand ringworm, is a fungal infection affecting the skin of the hands. It is caused by dermatophyte fungi that invade the outer layer of the skin, leading to characteristic ring-shaped rashes. This condition is contagious and can spread through contact with infected skin, contaminated objects, or surfaces. Recognizing the signs and understanding the causes can help in managing and preventing the spread of this common dermatophyte infection.
Causes & Symptoms
Clinical Causes: Contact with infected individuals or animals showing skin lesions Contact with contaminated objects like towels, gloves, or clothing Shared use of personal items such as razors or footwear Living in humid or damp environments that promote fungal growth Compromised skin barrier due to other skin conditions or injuries
Key Symptoms: Ring-shaped, scaly patches on the hand, often with a slightly raised border Itching or burning sensation in the affected area Cracking or peeling skin around the rash Possible secondary bacterial infection leading to increased redness or oozing Pain or discomfort, especially if the infection becomes widespread or deep
Diagnostic & Treatment
Diagnosis Path: Diagnosis of tinea manuum typically involves a clinical examination by a healthcare provider, who will assess the appearance and distribution of the rash. To confirm the fungal origin, laboratory tests such as skin scrapings examined under a microscope or fungal culture may be performed. These tests help distinguish tinea from other skin conditions with similar presentations, like eczema or psoriasis.
Treatment Protocols: Treatment usually involves topical antifungal medications applied directly to the affected areas. In more severe or widespread cases, oral antifungal drugs may be prescribed. Additional recommendations include keeping the hands dry and clean, avoiding sharing personal items, and wearing breathable gloves if exposure to fungi is likely. Preventing moist environments and maintaining good hand hygiene are key in managing and reducing the risk of recurrence.
Clinical Advice & FAQs
Billing Guidance
Is B35.2 a billable ICD-10 code?
Yes, B35.2 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report B35.2?
Clinical documentation must specify the nature of Tinea manuum and any associated comorbidities for accurate reporting.
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