9/12/2023 0 Comments Normal serum creatinine![]() ![]() Pregnancy and significant muscle loss (amputation, paralysis, etc.) are usually associated with decreased serum creatinine levels. Eating large amounts of meat before the test.The following can result in elevated serum creatinine levels: Low muscle mass, liver disease or muscle conditions may explain low serum creatinine levels. It could also mean a low blood flow to the kidneys. The following factors can increase serum creatinine levels:Ī lower than normal creatinine clearance level may indicate that the kidneys are not working to their full capacity. The resulting value indicates the amount of blood cleared of creatinine in one minute.Ī higher than normal creatinine clearance level can be indicative of anemia or increased blood flow to the heart. An individual's creatinine clearance is determined using a mathematical calculation and the level of creatine in urine and in the blood. As a result, creatinine provides a good measure of how well the kidneys are working. Creatinine is excreted from the body through the kidneys. Serum creatinine levels are fairly constant and proportional to muscle mass. Note that target ranges may vary between laboratories.Ĭreatinine is a waste product that is produced by the muscles through normal contraction. Normal values are between 2.5 and 8.2 mmol/L. In addition to creatinine measurements, blood urea nitrogen levels are also measured. Serum creatinine levels vary in children. Creatinine clearance (men): 90 - 140 mL/minĬreatinine clearance progressively decreases with age.Creatinine clearance (women): 80 - 130 mL/min. ![]() Urine creatinine (men): 7 - 14 mmol/24 hours.Urine creatinine (women) : 6 - 13 mmol/24 hours.Serum creatinine (men): 88 - 150 µmol/L.Serum creatinine (women): 53 - 115 µmol/L.Avoid vigorous physical exertion the day before and the day of the test.There are no dietary restrictions prior to this test.During the collection period, eat and drink normally and make sure that you are properly hydrated.During the collection period, keep collected urine in a cool place.Urine is collected over a 24-hour period (can be done over a shorter period).Creatinine clearance is used, among other things, to detect early stage kidney disease, to adjust medication dosages and to monitor the adverse effects of certain medications on the kidneys. Serum and urine creatinine, as well as creatinine clearance, are used to assess kidney function. Urine and Serum Creatinine and Creatinine Clearance ![]()
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