Creatinine Blood Test
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The creatinine test checks your kidney function by looking at the amount of creatinine in your blood. Creatinine is a waste product that’s typically filtered out of your blood by your kidneys. Abnormal levels of creatinine could be a sign of kidney failure.
Our health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out. This usually takes less than five minutes.