Complete ICD-10-CM coding and documentation guide for icd-10 coding for toe fungus includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Toe 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 occurs due to fungal infection.
Nail dystrophy
Use for structural abnormalities from chronic infection.
The ICD-10 code for toe fungus, specifically onychomycosis, is B35.1. This code is used when the fungal infection is confirmed by laboratory testing.
Document onychomycosis by noting thickened, discolored nails, confirmatory lab tests like KOH or PCR, and any related symptoms such as pain or ambulation issues.