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 keratosis NOS

L83 Acanthosis nigricans

 * Includes: confluent and reticulated papillomatosis

L84 Corns and callosities

 * Includes: callus
 * clavus

L85 Other epidermal thickening

 * Excludes2: hypertrophic disorders of the skin (L91.-)
 * L85.0 Acquired ichthyosis
 * Excludes1: congenital ichthyosis (Q80.-)
 * L85.1 Acquired keratosis [keratoderma] palmaris et plantaris
 * Excludes1: inherited keratosis palmaris et plantaris (Q82.8)
 * L85.2 Keratosis punctata (palmaris et plantaris)
 * L85.3 Xerosis cutis
 * Dry skin dermatitis
 * L85.8 Other specified epidermal thickening
 * Cutaneous horn
 * L85.9 Epidermal thickening, unspecified

L86 Keratoderma in diseases classified elsewhere

 * Code first underlying disease, such as:
 * Reiter's disease (M02.3-)
 * Excludes1: gonococcal keratoderma (A54.89)
 * gonococcal keratosis (A54.89)
 * keratoderma due to vitamin A deficiency (E50.8)
 * keratosis due to vitamin A deficiency (E50.8)
 * xeroderma due to vitamin A deficiency (E50.8)

L87 Transepidermal elimination disorders

 * Excludes1: granuloma annulare (perforating) (L92.0)
 * L87.0 Keratosis follicularis et parafollicularis in cutem penetrans
 * [Kyrle]
 * Hyperkeratosis follicularis penetrans
 * L87.1 Reactive perforating collagenosis
 * L87.2 Elastosis perforans serpiginosa
 * L87.8 Other transepidermal elimination disorders
 * L87.9 Transepidermal elimination disorder, unspecified

L88 Pyoderma gangrenosum

 * Includes: dermatitis gangrenosa
 * phagedenic pyoderma

L89 Pressure ulcer

 * Includes: bed sore
 * decubitus ulcer
 * plaster