D43: Neoplasm of uncertain or unknown behaviour of brain and central nervous system

D43.9: Neoplasm of uncertain or unknown behaviour: Central nervous system, unspecified

When there is abnormal growth of tissue, then this is also referred to as a tumor. The tissue in the body is made up of cells. A tumor disorder involves the cells multiplying more than normal. This results in abnormal or excess tissue forming. A tumor can be benign or malignant.

The spinal cord is located in the spinal column. The spinal cord is made up of nerve fibers. The brain uses the nerve fibers to exchange information with the organs, skin and muscles.