Comorbidity refers to the presence of co-existing or additional diseases or disorders
Other definition:
Comorbidity refers to the overlapping of two (2) or more disorders at a rate that is greater than would be expected by chance alone.
Other /More definition:
Comorbidity refers to the experience of more than one disorder at the same time; a multiple diagnostic conditions that occur simultaneously within the same individual.
Other /More definition:
comorbidity is the presence of two (2) or more disorders in an individual at the same time.
Lexicon of Psychology - Terms, Treatments, Biographies,