The creatinine test is generally a safe outpatient procedure and carries no potential risks.
4 Preparing for your Procedure
The serum creatinine test is a common blood test. There is no special preparation for the test. Your doctor may, however, give you some instructions.
5 What to Expect
Here you can find out what to expect from your creatinine test.
During the serum creatinine test, a member of your health care team will take a sample of your blood by inserting a needle into a vein located in your arm.
The sample will further be sent to the lab for further analysis. You can then return to you day to day activities as soon as it is over.
In some situations, your doctor may take a measurement of the level of creatinine in your urine as well.
For this test, part of the creatinine clearance test, your doctor may ask you to collect 24 hours’ worth of urine in a special container and submit it for analysis.
The urine creatinine test can help your doctor to more accurately assess the presence or degree of kidney failure.
6 Procedure Results
The results of a creatinine blood test are measured in milligrams per deciliter or micromoles per liter.
The normal range for creatinine in the blood may be 0.84 to 1.21 milligrams per deciliter (74.3 to 107 micromoles per liter) although this can differ from one lab to the next, between men and women, and by age.
Since the amount of creatinine in the blood rises with muscle mass, men usually have higher levels of creatinine than women do. In general, a high serum creatinine level means that your kidneys are not efficiently doing their duty.
Your creatinine level may temporarily increase if you are dehydrated, have low blood volume, eat a large quantity of meat or take certain medications.
The dietary supplement creatine can have the identical effect. If your serum creatinine level is higher than normal, your doctor may want to confirm the results with another blood or urine test.
If kidney damage is a concern, it is very important to control any conditions that may be contributing to the damage.
It is especially crucial to managing your blood pressure, which often requires medication. You cannot cure permanent kidney damage, but with the necessary treatment, you may be able to prevent further damage.
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