Normal Creatinine Levels by Age: Complete Reference Chart & Clinical Guide (2026)
Creatinine is one of the most clinically significant markers in routine biochemistry testing. Produced as a natural byproduct of muscle metabolism, it enters the bloodstream and is subsequently filtered and excreted by the kidneys. When kidney filtration is compromised — whether due to dehydration, acute kidney injury, or progressive chronic kidney disease — serum creatinine … Read more