Onychomycosis due to non-dermatophyte mould

**Definition:** Fungal nail infection due to organisms other than Candida and dermatophytes. These include Scopulariopsis brevicaulis, Neoscytalidium dimidiatum, Fusarium spp., and Aspergillus spp., which may not respond to therapies directed at the more common causes of onychomycosis.

**Exclusions:** - Candidosis of nail or paronychium