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Creatinine blood tests assess kidney health by measuring creatinine, a waste product produced from the normal breakdown of muscle tissue, which the kidneys filter out of the bloodstream. Normal creatinine levels range from 0.7 to 1.3 mg/dL for men, 0.6 to 1.1 mg/dL for women, and 0.2 to 1.0 mg/dL for children. Elevated creatinine levels can indicate potential kidney dysfunction or damage. High creatinine levels can also be connected to conditions like diabetes, high blood pressure, and heart disease, which increase the risk of kidney disease.
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Creatinine Blood Test Normal, Low, and High Levels Creatinine is a waste product from muscles that’s filtered by the kidneys and removed from the body through urine. What is Creatinine Blood Test? The creatinine blood test is an important way to check kidney health. Creatinine is a waste product made when muscles break down. The kidneys filter this waste out of the blood. Testing the creatinine level in the blood helps show how well the kidneys are working, and unusual levels may indicate kidney problems. Normal Creatinine Level For men, 0.7 to 1.3 milligrams per deciliter (mg/dL); for women, 0.6 to 1.1 mg/dL; and for children, 0.2 to 1.0 mg/dL, depending on their age and muscle development. These ranges are deemed normal for healthy individuals. Because men typically have greater muscle mass than women, their creatinine levels are often slightly higher. Low Creatinine Level Low creatinine levels are rare and generally do not indicate kidney disease; however, they may suggest muscle loss due to ageing or illness, liver disorders that reduce creatinine production, and increased blood volume in pregnant women. High Creatinine Level High creatinine levels may signal kidney issues and can be caused by chronic kidney disease (CKD), acute kidney injury from trauma or infection, dehydration, a high-protein diet, and certain medications like NSAIDs and antibiotics.
