The presence of co-existing or additional diseases with reference to an initial diagnosis or with reference to the index condition that is the subject of study. Comorbidity may affect the ability of affected individuals to function and also their survival; it may be used as a prognostic indicator for length of hospital stay, cost factors, and outcome or survival.

Annotation

"presence of co-existing or additional diseases" in epidemiologic studies: do not confuse with /compl; IM general only; coordinate NIM with each disease /epidemiol (IM), not /compl; specify geographic term if pertinent

DUI

D015897 MeSH Browser

CUI

M0024328

Previous indexing

Diagnosis Related Groups (1986-1989); Length of Stay (1986-1989); specific disease/complications (1977-1989)

History note

90

Public note

90