Why get tested?
To determine if your kidneys are functioning normally and to monitor treatment for kidney disease

When to get tested?
Routinely as part of a comprehensive or basic metabolic panel; if your doctor suspects that you are suffering from kidney dysfunction or if you are acutely or chronically ill with a condition that may affect your kidneys and/or be exacerbated by kidney dysfunction; at intervals to monitor treatment for kidney disease or kidney function while on certain medications

Sample required?
A blood sample drawn from a vein in the arm and possibly a 24-hour urine sample