Definition of Concordance
Concordance: 1. The presence of any given condition such as HIV in both members of a couple.
2. In genetics, the presence of a phenotype such as asthma in both members of a twin pair.
3. In clinical care, agreement between physician and patient.
In all sense, concordance is as opposed to discordance. From the Latin concordare, to agree.
Last Editorial Review: 6/14/2012