Dermatophytosis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Dermatophytosis (tinea, ringworm) is a superficial infection of the skin, hair or nails by dermatophyte fungi of the genera Trichophyton, Epidermophyton or Microsporum. These fungi normally invade only the outer keratinous layer of the epidermis (stratum corneum), the hair shaft and the nail. They count amongst the commonest infections in man. Some species (e.g. Trichophyton rubrum) are essentially anthropophilic and infect only man whereas others are zoophilic (e.g. Trichophyton verrucosum) but may cause human infection from contact with infected animals.

exclusions

• Tinea nigra  (1F2D.4)
• Tinea versicolor  (1F2D.0)

sections/codes in this section (1F28-1F28)

• Dermatophytosis of scalp  (1F28.0)
• Dermatophytosis of nail  (1F28.1)
• Dermatophytosis of foot  (1F28.2)
• Genitocrural dermatophytosis  (1F28.3)
• Kerion  (1F28.4)
• Disseminated dermatophytosis  (1F28.5)
• Other specified dermatophytosis  (1F28.Y)
• Dermatophytosis, unspecified  (1F28.Z)

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