Complete ICD-10-CM coding and documentation guide for icd-10 coding for fungal nail infection includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Fungal Nail Infection
Use ICD-10 code B35.1 for tinea unguium, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Nail dystrophy
Use when nail changes are present but fungal infection is not confirmed.
The ICD-10 code for fungal nail infection, also known as onychomycosis, is B35.1. This code is used when the fungal infection is confirmed by laboratory tests.
Fungal nail infections are confirmed through laboratory tests such as PAS staining or PCR assays, which detect fungal elements or specific dermatophyte species.