Polycystic kidney disease (PKD) is a genetic disorder characterized by the growth of numerous cysts in the kidneys. The kidneys are two organs, each about the size of a fist, located in the upper part of a person's abdomen, toward the back. The kidneys filter wastes and extra fluid from the blood to form urine.
The definition of diagnostic is something related to the identification of a problem or disease. An example of a diagnostic test is an emissions test on a car. An example of diagnostic is a symptom that is characteristic of a particular disease and that helps doctors to recognize that illness. diagnostic. diagnostic.
Diagnostic testing is used to identify if an individual has a condition associated with symptoms they are showing. Predictive testing is used to search for gene changes associated with a condition before the individual develops symptoms.