I79: Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

I79.8: Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere

The heart pumps blood through the body. In the process, the blood flows through blood vessels. The blood supplies all areas of the body with oxygen and nutrients.

Damage to blood vessels may mean that not all areas of the body are sufficiently supplied any longer.