Lichen simplex or lichenification

Description

If a circumscribed area of skin is subjected to repeated rubbing or scratching, localised epidermal thickening or lichenification will ensue. This may occur as a discrete patch within normal skin (lichen simplex) but frequently complicates eczema or other pruritic dermatoses.

Index terms

Lichen simplex or lichenification

Exclusions from above levels

1F86.4 – Cercarial dermatitis
EB44 – Dermatitis herpetiformis
ED90.1 – Periorificial dermatitis

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1B72.0 – Bullous impetigo of the napkin area
1F23.12 – Napkin candidosis
EH71 – Dermatoses precipitated by drug therapy
EH76 – Dermatoses associated with specific classes of medication

Child codes

EA83.0 – Lichen simplex
EA83.1 – Secondary lichenification

Sibling codes

EA80 – Atopic eczema
EA81 – Seborrhoeic dermatitis and related conditions
EA82 – Nummular dermatitis
EA84 – Asteatotic eczema
EA85 – Dermatitis or eczema of hands or feet
EA86 – Dermatitis or eczema of lower legs
EA87 – Dermatitis or eczema of anogenital region
EA88 – Miscellaneous specified eczematous dermatoses
EA89 – Generalised eczematous dermatitis of unspecified type
EA8Y – Other specified eczematous dermatosis
EA8Z – Dermatitis or eczema, unspecified

Foundation entity

Lichen simplex or lichenification – http://id.who.int/icd/entity/1276237557

Part of: 14: Diseases of the skin