noun
- a waste product formed by the breakdown of creatine in muscles, filtered from the blood by the kidneys and excreted in urine
Usage: medical; biochemistry
Examples
- The doctor ordered a blood test to check my creatinine levels.
- High creatinine levels may indicate kidney problems.
- Creatinine is produced at a fairly constant rate by the body.
- The lab results showed normal creatinine clearance.
- Elevated creatinine in the blood can signal reduced kidney function.
- Creatinine is measured to assess how well the kidneys are working.