Chapter XII
Diseases of the skin and subcutaneous tissue
(L00-L99)

Other disorders of the skin and subcutaneous tissue
(L80-L99)

L80 Vitiligo

L81 Other disorders of pigmentation
Excludes: birthmark NOS ( Q82.5 )
naevus - see Alphabetical Index
Peutz-Jeghers syndrome ( Q85.8 )
L81.0 Postinflammatory hyperpigmentation
L81.1 Chloasma
L81.2 Freckles
L81.3 Café au lait spots
L81.4 Other melanin hyperpigmentation
Lentigo
L81.5 Leukoderma, not elsewhere classified
L81.6 Other disorders of diminished melanin formation
L81.7 Pigmented purpuric dermatosis
Angioma serpiginosum
L81.8 Other specified disorders of pigmentation
Iron pigmentation
Tattoo pigmentation
L81.9 Disorder of pigmentation, unspecified

L82 Seborrhoeic keratosis
Dermatosis papulosa nigra
Leser-Trélat disease

L83 Acanthosis nigricans
Confluent and reticulated papillomatosis

L84 Corns and callosities
Callus
Clavus

L85 Other epidermal thickening
Excludes: hypertrophic disorders of skin ( L91.- )
L85.0 Acquired ichthyosis
Excludes: congenital ichthyosis ( Q80.- )
L85.1 Acquired keratosis [keratoderma] palmaris et plantaris
Excludes: 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
Follicular keratosis
Xeroderma
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due to a vitamin A deficiency ( E50.8+ )

L87 Transepidermal elimination disorders
Excludes: 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
Dermatitis gangrenosa
Phagedenic pyoderma

L89 Decubitus ulcer
Bedsore
Plaster ulcer
Pressure ulcer
Excludes: decubitus (trophic) ulcer of cervix (uteri) ( N86 )

L90 Atrophic disorders of skin
L90.0 Lichen sclerosus et atrophicus
Excludes: lichen sclerosus of external genital organs:
· female (N90.4)
· male (N48.0)
L90.1 Anetoderma of Schweninger-Buzzi
L90.2 Anetoderma of Jadassohn-Pellizzari
L90.3 Atrophoderma of Pasini and Pierini
L90.4 Acrodermatitis chronica atrophicans
L90.5 Scar conditions and fibrosis of skin
Adherent scar (skin)
Cicatrix
Disfigurement due to scar
Scar NOS
Excludes: hypertrophic scar ( L91.0 )
keloid scar ( L91.0 )
L90.6 Striae atrophicae
L90.8 Other atrophic disorders of skin
L90.9 Atrophic disorder of skin, unspecified

L91 Hypertrophic disorders of skin
L91.0 Keloid scar
Hypertrophic scar
Keloid
Excludes: acne keloid ( L73.0 )
scar NOS ( L90.5 )
L91.8 Other hypertrophic disorders of skin
L91.9 Hypertrophic disorder of skin, unspecified

L92 Granulomatous disorders of skin and subcutaneous tissue
Excludes: actinic granuloma ( L57.5 )
L92.0 Granuloma annulare
Perforating granuloma annulare
L92.1 Necrobiosis lipoidica, not elsewhere classified
Excludes: that associated with diabetes mellitus ( E10-E14 )
L92.2 Granuloma faciale [eosinophilic granuloma of skin]
L92.3 Foreign body granuloma of skin and subcutaneous tissue
L92.8 Other granulomatous disorders of skin and subcutaneous tissue
L92.9 Granulomatous disorder of skin and subcutaneous tissue, unspecified

L93 Lupus erythematosus
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes: lupus:
· exedens ( A18.4 )
· vulgaris ( A18.4 )
scleroderma ( M34.- )
systemic lupus erythematosus ( M32.- )
L93.0 Discoid lupus erythematosus
Lupus erythematosus NOS
L93.1 Subacute cutaneous lupus erythematosus
L93.2 Other local lupus erythematosus
Lupus:
· erythematosus profundus
· panniculitis

L94 Other localized connective tissue disorders
Excludes: systemic connective tissue disorders ( M30-M36 )
L94.0 Localized scleroderma [morphea]
Circumscribed scleroderma
L94.1 Linear scleroderma
En coup de sabre lesion
L94.2 Calcinosis cutis
L94.3 Sclerodactyly
L94.4 Gottron's papules
L94.5 Poikiloderma vasculare atrophicans
L94.6 Ainhum
L94.8 Other specified localized connective tissue disorders
L94.9 Localized connective tissue disorder, unspecified

L95 Vasculitis limited to skin, not elsewhere classified
Excludes: angioma serpiginosum ( L81.7 )
Henoch(-Schönlein) purpura ( D69.0 )
hypersensitivity angiitis ( M31.0 )
panniculitis (of):
· NOS ( M79.3 )
· lupus ( L93.2 )
· neck and back ( M54.0 )
· relapsing [Weber-Christian] ( M35.6 )
polyarteritis nodosa ( M30.0 )
rheumatoid vasculitis ( M05.2 )
serum sickness ( T80.6 )
urticaria ( L50.- )
Wegener's granulomatosis ( M31.3 )
L95.0 Livedoid vasculitis
Atrophie blanche (en plaque)
L95.1 Erythema elevatum diutinum
L95.8 Other vasculitis limited to skin
L95.9 Vasculitis limited to skin, unspecified

L97 Ulcer of lower limb, not elsewhere classified
Excludes: decubitus ulcer ( L89 )
gangrene ( R02 )
skin infections ( L00-L08 )
specific infections classified to A00-B99
varicose ulcer ( I83.0 , I83.2 )

L98 Other disorders of skin and subcutaneous tissue, not elsewhere classified
L98.0 Pyogenic granuloma
L98.1 Factitial dermatitis
Neurotic excoriation
L98.2 Febrile neutrophilic dermatosis [Sweet]
L98.3 Eosinophilic cellulitis [Wells]
L98.4 Chronic ulcer of skin, not elsewhere classified
Chronic ulcer of skin NOS
Tropical ulcer NOS
Ulcer of skin NOS
Excludes: decubitus ulcer ( L89 )
gangrene ( R02 )
skin infections ( L00-L08 )
specific infections classified to A00-B99
ulcer of lower limb NEC ( L97 )
varicose ulcer ( I83.0 , I83.2 )
L98.5 Mucinosis of skin
Focal mucinosis
Lichen myxoedematosus
Excludes: focal oral mucinosis ( K13.7 )
myxoedema ( E03.9 )
L98.6 Other infiltrative disorders of skin and subcutaneous tissue
Excludes: hyalinosis cutis et mucosae ( E78.8 )
L98.8 Other specified disorders of skin and subcutaneous tissue
L98.9 Disorder of skin and subcutaneous tissue, unspecified

L99* Other disorders of skin and subcutaneous tissue in diseases classified elsewhere
L99.0* Amyloidosis of skin ( E85.-+ )
Lichen amyloidosis
Macular amyloid
L99.8* Other specified disorders of skin and subcutaneous tissue in diseases classified elsewhere
Syphilitic:
· alopecia ( A51.3+ )
· leukoderma ( A51.3 +, A52.7+ )