Jun 12, 2025 · A creatinine test is a measure of how well the kidneys are doing their job of filtering waste from the blood. Creatinine is a chemical compound left over from energy-making processes in muscles.

Creatinine levels are checked to assess kidney function. Normal blood creatinine levels vary and depend on age, race, gender, and body size. Creatinine levels are high when kidney function declines.

Apr 12, 2024 · Learn more about normal, high and low levels of creatinine, when to worry about your creatine levels and what to do about them.

Jan 16, 2024 · Creatinine is a waste product of the muscles. In a healthy body, the kidneys filter creatinine from the blood and excrete it through the urine. High levels of creatinine can indicate kidney...

Jun 1, 2023 · Creatinine is a waste product that comes from the digestion of protein in your food and the normal breakdown of muscle tissue. It is removed from the blood through your kidneys. Everyone …

Serum creatinine (a blood measurement) is an important indicator of kidney function, because it is an easily measured byproduct of muscle metabolism that is excreted unchanged by the kidneys.

Mar 7, 2024 · The creatinine blood test assesses kidney function, revealing insights into potential kidney disease or damage based on abnormal creatinine and BUN levels.

Creatinine is a waste product made by muscle. This test measures creatinine levels in your blood or urine. Abnormal levels can be a sign of kidney disease. Learn more.

Apr 24, 2025 · Generally, a normal blood creatinine level for men is 0.7 to 1.3 mg/dL and 0.6 to 1.1 mg/dL for women. What level of creatinine is concerning? If you have high or low blood creatinine …

Dec 11, 2025 · Normal creatinine levels differ based on sex, age, and muscle mass. Elevated creatinine levels may suggest the kidneys aren't filtering waste properly. Dehydration, cooked meat, and intense...