ICD-10-CM Diagnosis Code (2025)
Official Description for B35.1
Tinea unguium
Coding Notes & Guidelines for B35.1
Inclusion Terms
- Dermatophytic onychia
- Dermatophytosis of nail
- Onychomycosis
- Ringworm of nails
Parent Code (Less Specific):
About ICD-10-CM Code B35.1 (Tinea unguium)
ICD-10-CM code B35.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM B35.1 became effective on October 1, 2024.
This page provides detailed information about B35.1 - Tinea unguium. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Tinea unguium.