Chapter XII

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

Excludes: certain conditions originating in the perinatal period ( P00-P96 )
certain infectious and parasitic diseases ( A00-B99 )
complications of pregnancy, childbirth and the puerperium ( O00-O99 )
congenital malformations, deformations and chromosomal abnormalities ( Q00-Q99 )
endocrine, nutritional and metabolic diseases ( E00-E90 )
injury, poisoning and certain other consequences of external causes ( S00-T98 )
lipomelanotic reticulosis ( I89.8 )
neoplasms ( C00-D48 )
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified ( R00-R99 )
systemic connective tissue disorders ( M30-M36 )

This chapter contains the following blocks:
L00-L08 Infections of the skin and subcutaneous tissue
L10-L14 Bullous disorders
L20-L30 Dermatitis and eczema
L40-L45 Papulosquamous disorders
L50-L54 Urticaria and erythema
L55-L59 Radiation-related disorders of the skin and subcutaneous tissue
L60-L75 Disorders of skin appendages
L80-L99 Other disorders of the skin and subcutaneous tissue

Asterisk categories for this chapter are provided as follows:
L14* Bullous disorders in diseases classified elsewhere
L45* Papulosquamous disorders in diseases classified elsewhere
L54* Erythema in diseases classified elsewhere
L62* Nail disorders in diseases classified elsewhere
L86* Keratoderma in diseases classified elsewhere
L99* Other disorders of the skin and subcutaneous tissue in diseases classified elsewhere