Creatinine

**Definition:** A waste product produced by dietary protein digestion and breakdown product of CREATINE PHOSPHATE in muscle. Creatinine levels in the blood can be an indicator of KIDNEY function.

**Tree numbers:** - D03.383.129.308.207

**Synonyms:** - 2-Amino-1-methyl-1,5-dihydro-4H-imidazol-4-one