I88: Nonspecific lymphadenitis

I88.8: Other nonspecific lymphadenitis

The lymph nodes are small bean-shaped objects. They are found throughout the body. Lymph nodes filter the tissue fluid. They are part of the defense system.

You have lymph nodes that are inflamed and enlarged. The lymph nodes can be inflamed and enlarged by pathogens, for example. The lymph nodes may also then be painful.