L80-L99: Other disorders of the skin and subcutaneous tissue

L97: Ulcer of lower limb, not elsewhere classified

There is no protective skin in those places. The open wounds can easily become inflamed. Open wounds may appear, for example if the skin in those areas is not sufficiently supplied with blood. A compromised immune system may also cause open wounds to appear. Open wounds can also appear if the skin in certain places is subjected to pressure over a long period of time. This happens when someone lies in the same place for a long time, for example.

These open wounds may be painful. It is also possible that these open wounds are itchy. The skin around the open wounds can also change. The skin around the open wounds is then pale or blueish, for example. Sometimes you can also have no symptoms at all.