1F28.4 Kerion

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01


Kerion results from a severe host inflammatory response to dermatophyte infection of the hair follicles of the scalp or beard. It typically presents as a single painful, severely inflammatory, suppurating boggy mass and is most commonly a reaction to a zoophilic dermatophyte infection especially Trichophyton verrucosum (cattle ringworm) or Trichophyton mentagrophytes.

postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

synonyms

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