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Normal range for creatinine and bun4/11/2024 You may need to get your creatinine levels tested if you have symptoms of kidney disease, are at risk of getting kidney problems, or want to check your kidney health. When Do You Need a Creatinine Serum Test? For people who are dealing with malnutrition, severe weight loss, and chronic conditions, creatinine levels might be lower than other people of the same age group, owing to a reduction in muscle mass over time. In general, while muscular young or middle-aged adults may have more creatinine in their blood than the general population, elderly people may have lower creatinine. The normal range of creatinine for adult women: 0.59 to 1.04 mg/dL.The normal range of creatinine for adult men: 0.74 to 1.35 mg/dL.The normal range of creatinine varies with age, race, gender, and body size. Anorexia (an eating disorder characterized by low weight and food restrictions).Your healthcare specialist might prescribe you this test if you have symptoms of kidney disease, including. When do you need a creatinine serum test? Check whether your kidneys are facing the side effects of the drugs you take. To monitor kidney function during and after treatment for kidney disease. To determine how well the kidneys are functioning. To measure the level of creatinine in the blood. The creatinine serum test is important because it can give doctors various indications, such as: This blood test is usually done when your doctor thinks that your body isn't getting rid of the waste properly. It's part of a group of tests that are used to find out how well your kidneys are functioning (renal function tests). The creatinine serum test is a blood test that measures the level of creatinine in your blood. A rise in serum creatinine is an indicator of kidney impairment and creatinine serum test would help you find that out. If the creatinine clearance is decreased, it results in increased blood (or serum) creatinine. Each one of us has creatinine in the blood. Creatinine is the by-product of creatine phosphate, which is produced at a constant rate and cleared from the blood by the kidneys. Your muscles have a high-energy molecule, called creatine phosphate. If kidney damage is a concern, ask your doctor what factors may be contributing to the damage and what steps you can take to try to control them.Creatinine is a waste material that is produced during the normal wear and tear of the muscles of the body. Certain medications, such as some antibiotics.Congestive heart failure or recent heart attack.Dehydration, resulting from not drinking enough fluids or for other reasons.Generally, a high BUN level means your kidneys aren't working well. Infants have lower levels than other people do, and the range in children varies. Urea nitrogen levels tend to increase with age. In general, around 6 to 24 mg/dL (2.1 to 8.5 mmol/L) is considered normal.īut normal ranges may vary, depending on the reference range used by the lab and your age. Results of the BUN test are measured in milligrams per deciliter (mg/dL) in the United States and in millimoles per liter (mmol/L) internationally. You can return to your usual activities immediately. The blood sample is sent to a lab for analysis. What you can expectĭuring the BUN test, a member of your health care team takes a sample of blood by inserting a needle into a vein in your arm. ![]() Your doctor will give you specific instructions. ![]() ![]() If your blood sample will be used for additional tests, you may need to fast for a certain amount of time before the test. ![]() If your blood sample is being tested only for BUN, you can eat and drink normally before the test. The GFR estimates the percentage of kidney function you have. To do this, you may have a blood sample taken to calculate your estimated glomerular filtration rate (GFR). Your doctor may also test how well your kidneys are removing waste from the blood. High levels of creatinine in your blood may be a sign of kidney damage. Creatinine is another waste product that healthy kidneys filter out of your body through urine. If kidney problems are the main concern, the creatinine levels in your blood will likely also be measured when your blood is tested for urea nitrogen levels. As part of a blood test group to help diagnose a number of other conditions, such as liver damage, urinary tract obstruction, congestive heart failure or gastrointestinal bleeding - although an abnormal BUN test result alone doesn't confirm any of these conditions.To help determine the effectiveness of dialysis treatment if you're receiving hemodialysis or peritoneal dialysis.If your kidney function needs to be evaluated, especially if you have a chronic condition such as diabetes or high blood pressure.If your doctor suspects that you have kidney disease or damage.
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