A disease state or the incidence or frequency of a disease among a population. (HRSA/OPTN Patient Glossary, June 2026)
A diseased state, often used in the context of a “morbidity rate” (i.e. The rate of disease or proportion of diseased people in a population). In common clinical usage, any disease state, including diagnosis and complications is referred to as morbidity. (CMS Glossary, June 2026)