Creatinine levels in your blood are determined via a routine blood test (serum creatinine). In order to prepare for the test, your doctor could advise the night prior.
You might need to collect urine over the course of 24 hours in containers the clinic will give for the creatinine urine test.You might have to refrain from eating meat for a particular amount of time before to either test. You should probably cease using a creatine supplement.Your bloodstream typically absorbs creatinine and filters it out at a largely steady rate. Your blood's level of creatinine ought to be rather constant. Creatinine levels that are higher than normal could indicate impaired renal function.Creatinine levels in 24-hour urine samples and serum samples taken over the same time period are typically used to calculate creatinine clearance. However, shorter times may be employed for urine samples. It's crucial to collect the urine sample at the proper time.
