- The coexistence of two or more disease processes.
* * *A concomitant but unrelated pathologic or disease process; usually used in epidemiology to indicate the coexistence of two or more disease processes. [co- + L. morbidus, diseased]
* * *co·mor·bid·i·ty -mȯr-'bid-ə-tē n, pl -ties a comorbid condition <diabetes patients tend to present with a long list of comorbidities (Fred Gebhart)> also the occurrence of comorbid conditions: occurrence as a comorbid condition <the hallmark of depression in older people is its \comorbidity with medical illness (U.S. Dept. of Health & Human Services)>
* * *co·mor·bid·i·ty (ko″mor-bidґĭ-te) 1. a comorbid disease or condition. 2. the state of being comorbid. 3. the extent to which two diseases or disorders occur together in a given population.
Medical dictionary. 2011.