Lichen simplex

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

Circumscribed pruritic lichenification of the skin of any origin. If a circumscribed area of skin is subjected to repeated rubbing or scratching, localised epidermal thickening or lichenification will ensue. The nape of the neck, genitalia, perianal area and lateral calf are commonly affected sites.

sections/codes in this section (EA83.0-EA83.0)

• Lichen simplex of vulva  (EA83.00)
• Lichen simplex of male genitalia  (EA83.01)
• Perianal lichen simplex  (EA83.02)
• Lichen simplex of other specified site  (EA83.0Y)
• Lichen simplex of unspecified site  (EA83.0Z)

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