A claim can fail even when the diagnosis sounds familiar. Resilient MBS helps billing professionals answer what is onychomycosis, connect the condition to the correct ICD-10-CM code, and recognize when documentation or payer requirements need closer review. Onychomycosis is a fungal infection of a fingernail or toenail, and its standard ICD-10-CM code is B35.1, Tinea unguium. Resilient MBS...