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ICD11

Diseases of the skin (L00–L99)

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Diseases of the skin is a chapter in ICD-11 that includes conditions affecting the skin and its appendages, such as hair, nails, and sweat glands, which serve as protective and regulatory components of the body. These disorders may result from infections, inflammatory and autoimmune processes, allergic reactions, genetic factors, environmental exposures, or neoplastic changes, leading to visible lesions, rashes, discoloration, itching, or structural abnormalities.

This chapter encompasses a wide range of dermatological conditions, including dermatitis, psoriasis, infections of the skin, pigmentary disorders, and disorders of hair and nails. Accurate classification supports proper diagnosis, effective treatment, and ongoing management, while also aiding research, epidemiological monitoring, and public health initiatives focused on improving skin health and quality of life.

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Frequently asked questions

This chapter includes disorders affecting the skin, hair, nails, and related structures.

It includes eczema, psoriasis, acne, infections, autoimmune skin diseases, and other dermatological conditions.

Yes. Skin infections are classified here, while the infectious agent may be coded separately.

Yes. Both inherited and acquired skin disorders are included.

It updates dermatological terminology and aligns with modern clinical dermatology.

It supports dermatological care, research, and public health monitoring.

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