ICD-11 classes
01 Certain infectious or parasitic diseases
Mycoses
1F28 — Dermatophytosis
1F28.1 — Dermatophytosis of nail

ICD-11 1F28.1 — Dermatophytosis of nail

Fungal infection of the nail plate due to dermatophyte fungi (tinea unguium). Infection results in a range of clinical signs including white or yellow discolouration, detachment of the plate from the nail bed (onycholysis), keratinous thickening under the nail plate (subungual hyperkeratosis) and fragility and fragmentation of the abnormal nail plate.

It includes 3 items.

  • Onychomycosis due to dermatophyte
  • Tinea unguium
  • Ringworm of nails

It excludes 2 items.

  • Onychomycosis due to non-dermatophyte mould (1F2D.5)
  • Candida onychomycosis (1F23.13)

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

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