High blood creatinine levels can indicate that your body has a reduced ability to get rid of waste products – an important kidney function. Even if you feel fine, elevated blood creatinine...

Creatinine is the waste product of creatine, which the muscles use to make energy. Learn about creatinine levels, what affects them, and what the results mean for kidney function.

Creatinine is a waste product that comes from muscle breakdown and protein digestion. The creatinine blood test measures the level of creatinine in your blood and indicates kidney function. Learn about normal and abnormal creatinine levels, causes, symptoms, and treatment.

Creatinine is a waste product that comes from protein and muscle breakdown. It is removed from the blood through your kidneys. Learn how to interpret your creatinine level and eGFR, and what factors can affect them.

Creatinine is a waste product that’s measured with a blood test to assess kidney function. High creatinine levels can be caused by kidney disease, diet, muscle mass, or other factors, and may not have noticeable symptoms.

A creatinine test measures creatinine levels in blood and/or urine to check kidney health and function. Creatinine is a normal waste product that your kidneys filter out of your blood and remove in your urine.

A creatinine test is a blood or urine test that estimates how well your kidneys filter blood and expel waste products. Learn about the purpose, procedure, and results of a creatinine test and what they mean for your kidney health.

A creatinine blood test measures the level of creatinine in the blood, a waste product that forms when creatine in muscle breaks down. It helps assess kidney function and check for any problems with your kidneys.