Creatinine - Serum
Alternate Names : Serum Creatinine
DefinitionCreatinine is a breakdown product of creatine, which is an important constituent of muscle. A serum creatinine test measures the amount of creatinine in the blood.
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Why is the Test Performed?
The test is performed to evaluate kidney function. If kidney function is abnormal, creatinine levels will increase in the blood, due to decreased excretion of creatinine in the urine. Creatinine levels also vary according to a persons size and muscle mass.
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