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

Excludes 2:
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
lipomelanotic reticulosis (I89.8)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
systemic connective tissue disorders (M30-M36)
viral warts (B07.-)

Disorders of skin appendages (L60-L75)

Excludes 1:
congenital malformations of integument (Q84.-)
L60 Nail disorders [+]
Excludes 2: clubbing of nails (R68.3)
onychia and paronychia (L03.0-)
L62 Nail disorders in diseases classified elsewhere
Code first underlying disease, such as:
pachydermoperiostosis (M89.4-)
L63 Alopecia areata [+]
L64 Androgenic alopecia [+]
Includes: male-pattern baldness
L65 Other nonscarring hair loss [+]
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes 1: trichotillomania (F63.3)
L66 Cicatricial alopecia [scarring hair loss] [+]
L67 Hair color and hair shaft abnormalities [+]
Excludes 1: monilethrix (Q84.1)
pili annulati (Q84.1)
telogen effluvium (L65.0)
L68 Hypertrichosis [+]
Includes: excess hair
Excludes 1: congenital hypertrichosis (Q84.2)
persistent lanugo (Q84.2)
L70 Acne [+]
Excludes 2: acne keloid (L73.0)
L71 Rosacea [+]
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
L72 Follicular cysts of skin and subcutaneous tissue [+]
L73 Other follicular disorders [+]
L74 Eccrine sweat disorders [+]
Excludes 2: generalized hyperhidrosis (R61)
L75 Apocrine sweat disorders [+]
Excludes 1: dyshidrosis (L30.1)
hidradenitis suppurativa (L73.2)

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