Creatinine test - Mayo Clinic
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.
High, Low, & Normal Creatinine Levels: What This Blood Test Means
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.
High creatinine levels: Related conditions, symptoms, and FAQs
Jan 16, 2024 · In this article, we explore what creatinine is and what can cause high levels. We also look at symptoms of high creatinine, when to worry about creatinine levels, and the treatment options.
Understanding Your Creatinine Levels - US News Health
Jan 26, 2026 · Creatinine is a waste product from muscle breakdown and is used as a primary, though imperfect, marker to estimate kidney function. Normal creatinine ranges (0.7-1.2 mg/dL) vary based …
Creatinine | National Kidney Foundation
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 …
Creatinine Blood Test: Levels and Normal Range - MedicineNet
Mar 7, 2024 · Normal creatinine levels in the blood are approximately 0.7 to 1.3 milligrams (mg) per deciliter (dL) in adult males and 0.6 to 1.1 milligrams per deciliter in adult females. Normal values will …
Understanding Creatinine Levels: High & Low When to Worry ... - SKI
Creatinine is a substance that our muscles produce when they are working. Normally, our kidneys filter creatinine out of the blood and eliminate it through urine. However, when creatinine levels in the …
What Is Creatinine and How Do Levels Affect Health?
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...
Understanding Your Creatinine Levels: Expert Kidney Disease Testing
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 …
Creatinine Test: MedlinePlus Medical Test
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.