Complete ICD-10-CM coding and documentation guide for icd-10 coding for toenail fungus includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Toenail Fungus
Use ICD-10 code B35.1 for tinea unguium, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Onycholysis
Use when nail separation is present.
Pain in toe
Use if pain impacts function.
The ICD-10 code for toenail fungus, also known as onychomycosis, is B35.1. This code is used when a fungal infection of the nail is confirmed by laboratory tests.
Toenail fungus is coded as B35.1 in ICD-10, provided there is lab confirmation of the fungal infection. Ancillary codes like L60.1 may be used for nail separation.