Creatinine is a waste product produced by muscles from the breakdown of a compound called creatine.
The creatinine blood test is used to assess kidney function. It is frequently ordered along with a BUN (blood urea nitrogen) test or as part of a basic or comprehensive metabolic panel (BMP or CMP), groups of tests that are performed to evaluate the function of the body’s major organs.
Fasting Required: You may be instructed to fast overnight.
CPT Code: 82565
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