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

Disorders of skin appendages
(L60-L75)

Excludes: congenital malformations of integument ( Q84.- )

L60 Nail disorders
Excludes: clubbing of nails ( R68.3 )
onychia and paronychia ( L03.0 )
L60.0 Ingrowing nail
L60.1 Onycholysis
L60.2 Onychogryphosis
L60.3 Nail dystrophy
L60.4 Beau's lines
L60.5 Yellow nail syndrome
L60.8 Other nail disorders
L60.9 Nail disorder, unspecified

L62* Nail disorders in diseases classified elsewhere
L62.0* Clubbed nail pachydermoperiostosis ( M89.4+ )
L62.8* Nail disorders in other diseases classified elsewhere

L63 Alopecia areata
L63.0 Alopecia (capitis) totalis
L63.1 Alopecia universalis
L63.2 Ophiasis
L63.8 Other alopecia areata
L63.9 Alopecia areata, unspecified

L64 Androgenic alopecia
Includes: male-pattern baldness
L64.0 Drug-induced androgenic alopecia
Use additional external cause code (Chapter XX), if desired, to identify drug.
L64.8 Other androgenic alopecia
L64.9 Androgenic alopecia, unspecified

L65 Other nonscarring hair loss
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes: trichotillomania ( F63.3 )
L65.0 Telogen effluvium
L65.1 Anagen effluvium
L65.2 Alopecia mucinosa
L65.8 Other specified nonscarring hair loss
L65.9 Nonscarring hair loss, unspecified
Alopecia NOS

L66 Cicatricial alopecia [scarring hair loss]
L66.0 Pseudopelade
L66.1 Lichen planopilaris
Follicular lichen planus
L66.2 Folliculitis decalvans
L66.3 Perifolliculitis capitis abscedens
L66.4 Folliculitis ulerythematosa reticulata
L66.8 Other cicatricial alopecia
L66.9 Cicatricial alopecia, unspecified

L67 Hair colour and hair shaft abnormalities
Excludes: monilethrix ( Q84.1 )
pili annulati ( Q84.1 )
telogen effluvium ( L65.0 )
L67.0 Trichorrhexis nodosa
L67.1 Variations in hair colour
Canities
Greyness, hair (premature)
Heterochromia of hair
Poliosis:
· NOS
· circumscripta, acquired
L67.8 Other hair colour and hair shaft abnormalities
Fragilitas crinium
L67.9 Hair colour and hair shaft abnormality, unspecified

L68 Hypertrichosis
Includes: excess hair
Excludes: congenital hypertrichosis ( Q84.2 )
persistent lanugo ( Q84.2 )
L68.0 Hirsutism
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
L68.1 Acquired hypertrichosis lanuginosa
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
L68.2 Localized hypertrichosis
L68.3 Polytrichia
L68.8 Other hypertrichosis
L68.9 Hypertrichosis, unspecified

L70 Acne
Excludes: acne keloid ( L73.0 )
L70.0 Acne vulgaris
L70.1 Acne conglobata
L70.2 Acne varioliformis
Acne necrotica miliaris
L70.3 Acne tropica
L70.4 Infantile acne
L70.5 Acné excoriée des jeunes filles
L70.8 Other acne
L70.9 Acne, unspecified

L71 Rosacea
L71.0 Perioral dermatitis
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
L71.1 Rhinophyma
L71.8 Other rosacea
L71.9 Rosacea, unspecified

L72 Follicular cysts of skin and subcutaneous tissue
L72.0 Epidermal cyst
L72.1 Trichilemmal cyst
Pilar cyst
Sebaceous cyst
L72.2 Steatocystoma multiplex
L72.8 Other follicular cysts of skin and subcutaneous tissue
L72.9 Follicular cyst of skin and subcutaneous tissue, unspecified

L73 Other follicular disorders
L73.0 Acne keloid
L73.1 Pseudofolliculitis barbae
L73.2 Hidradenitis suppurativa
L73.8 Other specified follicular disorders
Sycosis barbae
L73.9 Follicular disorder, unspecified

L74 Eccrine sweat disorders
Excludes: hyperhidrosis ( R61.- )
L74.0 Miliaria rubra
L74.1 Miliaria crystallina
L74.2 Miliaria profunda
Miliaria tropicalis
L74.3 Miliaria, unspecified
L74.4 Anhidrosis
Hypohidrosis
L74.8 Other eccrine sweat disorders
L74.9 Eccrine sweat disorder, unspecified
Sweat gland disorder NOS

L75 Apocrine sweat disorders
Excludes: dyshidrosis [pompholyx] ( L30.1 )
hidradenitis suppurativa ( L73.2 )
L75.0 Bromhidrosis
L75.1 Chromhidrosis
L75.2 Apocrine miliaria
Fox-Fordyce disease
L75.8 Other apocrine sweat disorders
L75.9 Apocrine sweat disorder, unspecified