"The determination of the nature of a disease or condition, or the distinguishing of one disease or condition from another. Assessment may be made through physical examination, laboratory tests, or the likes.
Computerized programs may be used to enhance the decision-making process."
"The process of determining health status and the factors responsible for producing it; it may be applied to an individual, family, group or community.
The diagnosis should take into account etiology, pathology, and severity of the clinical state."