Creatinine Clearance
Also known as: Creatinine clearance, urine; CRCL; CCT
Formal name: Creatinine Clearance
At a Glance
Why Get Tested?
To help detect and evaluate kidney dysfunction or decreased blood flow to the kidneys
When to Get Tested?
If your doctor thinks that you may have a problem affecting the function of your kidneys (for example, an obstruction within the kidney or acute or chronic kidney failure) or another disease, such as congestive heart failure
Sample Required?
Both a urine sample (24-hour collection) and a blood sample drawn from a vein in your arm
Test Preparation Needed?
None
