Upper level: b849 Functions of the skin, other specified and unspecified
Functions of the skin for protecting the body from physical, chemical and biological threats.
Inclusions: functions of protecting against the sun and other radiation, photosensitivity, pigmentation, quality of skin; insulating function of skin, callus formation, hardening; impairments such as broken skin, ulcers, bedsores and thinning of skin
Exclusions: repair functions of the skin (b820); other functions of the skin (b830)
Lower livel: