I88: Nonspecific lymphadenitis

I88.0: Nonspecific mesenteric 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.

Lymph nodes in your abdomen have become inflamed and enlarged. The lymph nodes can be inflamed and enlarged by pathogens, for example. The lymph nodes may also then be painful.