Medical Definition of Lymphocytosis

Lymphocytosis: Having too many lymphocytes. Lymphocytosis may be a marker that infection or disease is present.

Last Editorial Review: 6/9/2016

Search MedTerms:

Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.

Health Solutions From Our Sponsors