Do you need to fast for a kidney function test?

To ensure the accuracy of the results, it is best to require fasting for the three kidney function tests.
Kidney function mainly includes blood creatinine, urea nitrogen and uric acid, which are mainly performed by drawing blood, preferably with fasting the night before and fasting in the morning.
Among them, blood creatinine and urea nitrogen levels are affected by exercise and diet, patients should avoid exercise and reduce the intake of high protein food before the test; in addition, they should also try not to eat high purine food, such as animal offal, seafood, etc., and don’t drink alcohol.
Patients with abnormal kidney function test should go to the hospital in time, improve the relevant examination under the guidance of professional physicians, clarify the cause of the disease and timely treatment.