what is the bun creatinine ratio
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Medical Dictionary Blood urea nitrogen to creatinine ratio (BUN:creatinine) A BUN test may be done with a blood creatinine test. The level of creatinine in your blood also tells how well your kidneys are working—a high creatinine level may mean your kidneys are not working properly. Blood urea nitrogen (BUN) and creatinine tests can be used together to find the BUN-to-creatinine ratio (BUN:creatinine). A BUN-to-creatinine ratio can help your doctor check for problems, such as dehydration, that may cause abnormal BUN and creatinine levels.
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- If kidney function begins to decline, BUN and creatinine rise. A normal creatinine depends on muscle mass and age. In general, a normal creatine is 0.5 to 1.2 milligrams per deciliter (mg/dL). A normal BUN is 7 to 20 mg/dL.Remember that different laboratories use different testing equipment, and may have slightly different ranges for normal.A small, temporary increase in either BUN or creatinine can occur during illness or dehydration; the numbers usually return to normal during recovery. normal BUN is 7 to 20 mg/dL. Remember that different laboratories use different testing equipment, and may have slightly different ranges for normal. A small, temporary increase in either BUN or creatinine can occur during illness or dehydration; the numbers usually return to normal during recovery.
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What Is the Normal Range for BUN-to-Creatinine Ratio? What is a BUN-to-creatinine ratio in medical terminology? A: In medical terminology, a BUN-to-creatinine ratio refers to the high or low ratio of blood urea nitrogen to creatinine, states Lab Tests Online. BUN-to-cre... Full Answer >
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- A normal BUN is 7 to 20 mg/dL. Remember that different laboratories use different testing equipment, and may have slightly different ranges for normal. A small, temporary increase in either BUN or creatinine can occur during illness or dehydration; the numbers usually return to normal during recovery.
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Normal Creatinine And BUN Levels Creatinine and BUN levels are important indexes to measure how well kidneys are functioning.If creatinine and BUN levels keep higher than normal for a long time, it may prove that your kidneys are not working well.n general,the normal BUN level ranges from 7 to 20mg/dL(2.5 to 7.1mmol/L).However, the normal BUN levels may vary with the lab, and your age. Urea nitrogen levels tend to increase with age. Infants have lower levels than other people do, and the range in children varies.
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BUN-to-creatinine ratio The BUN, then, is roughly one-half (7/15 or 0.466) of the blood urea. The normal range of urea nitrogen in blood or serum is 5 to 20 mg/dl, or 1.8 to 7.1 mmol urea per liter. The range is wide because of normal variations due to protein intake, endogenous protein catabolism, state of hydration, hepatic urea synthesis, and renal urea excretion.
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- If kidney function begins to decline, BUN and creatinine rise. A normal creatinine depends on muscle mass and age. In general, a normal creatine is 0.5 to 1.2 milligrams per deciliter (mg/dL). A normal BUN is 7 to 20 mg/dL.Remember that different laboratories use different testing equipment, and may have slightly different ranges for normal.n cases of dehydration, BUN may increase in a higher proportion than the creatinine. A normal BUN-to-creatinine ratio is between 10 to 1 and 20 to 1. (For example, a BUN of 14 and a creatinine of 1.2 would be a ratio of 12.).
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What Does Elevated BUN/Creatinine Ratio Mean If exogenous creatinine intake and the production of creatinine in the blood are stable, the creatinine level is mainly depended on the glomerular filtration ability. Therefore, serum creatinine level is more reliable than BUN, so BUN/creatinine ratio has certain clinic meaning. The normal BUN/creatinine ratio.
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What Is Considered Dangerous High BUN Level If so, you will get the result— the BUN to Creatinine ratio. It is more accurate to judge how well your kidneys are functioning. The normal BUN to Creatinine ratio for anyone over 12 months of age is a 10:1 to 20:1. They are designed to show the levels of kidney dysfunction the patient has. It can also be used as a measuring device to see if a kidney disease treatment is working or if the illness condition is worsening. Tag: High BUN Level.
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Urine Albumin and Albumin/Creatinine Ratio The urine albumin test or albumin/creatinine ratio (ACR) is used to screen people with chronic conditions, such as diabetes and high blood pressure (hypertension) that put them at an increased risk of developing kidney disease.reatinine, a byproduct of muscle metabolism, is normally released into the urine at a constant rate and its level in the urine is an indication of the urine concentration. This property of creatinine allows its measurement to be used to correct for urine concentration in a random urine sample.
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Creatinine and Creatinine Clearance  [en EspaÃ±ol] The BUN test measures the amount of urea in your blood. Urea is a waste product made when protein is broken down in your body. Urea is made in the liver and passed out of your body in the urine. The levels of blood creatinine and blood urea nitrogen (BUN) can be used to find the BUN-to-creatinine ratio.
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BUN-to-creatinine ratio Renal damage causes reduced reabsorption of BUN, therefore lowering the BUN:Cr ratio. An elevated BUN:Cr due to a low or low-normal creatinine and a BUN within the reference range is unlikely to be of clinical significance.
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Normal Creatinine And BUN Levels Normal levels of creatinine and BUN. Te normal range for creatinine in the blood may be 0.6 to 1.3 milligrams per deciliter (53 to 115 micromoles per liter), although this can vary from lab to lab, between men and women, and by age.
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Top 30 Doctor insights on: Urine Protein Creatinine Ratio Normal Range Ur Protein/Cr ratio: The urine protein to urine creatinine ratio is an estimate of the 24hr urine protein. It is less cumbersome and quick. A urine protein to creatinine ratio of 0.15 or less would be consdered normal. For example urine protein of 30 and urine creatinine of 300 would be a upc of 0.1. ...Read more
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Blood Urea Nitrogen Blood urea nitrogen to creatinine ratio (BUN:creatinine). A BUN test may be done with a blood creatinine test. The level of creatinine in your blood also tells how well your kidneys are working—a high creatinine level may mean your kidneys are not working properly.
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Test Center Clinical Significance. The BUN/Creatinine ratio is useful in the differential diagnosis of acute or chronic renal disease. Reduced renal perfusion, e.g., congestive heart failure, or recent onset of urinary tract obstruction will result in an increase in BUN/Creatinine ratio. Increased urea formation also results in an increase in the ratio, e.g., gastrointestinal bleeding, trauma, etc. When there is decreased formation of urea as seen in liver disease, there is a decrease in the BUN/Creatinine ratio. In most cases of chronic renal disease the ratio remains relatively normal.
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BUN-to-creatinine ratio An elevated BUN:Cr due to a low or low-normal creatinine and a BUN within the reference range is unlikely to be of clinical significance. The ratio is predictive of prerenal injury when BUN:Cr exceeds 20 or when urea:Cr exceeds 100.
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- 22 Helpful Votes. A. For females, the reference range for BUN is 7-24 mg/dL. For Creatinine the reference range is 0.5-1.0 mg/dL. The opinions expressed here are solely those of the User. The opinions expressed here are solely those of the User.User-generated content areas are not reviewed by a WebMD physician.
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- In medicine, the BUN-to-creatinine ratio is the ratio of two serum laboratory values, the blood urea nitrogen (BUN) (mg/dL) and serum creatinine (mg/dL) (Cr).he normal serum creatinine (sCr) varies with the subject's body muscle mass and with the technique used to measure it. For the adult male, the normal range is 0.6 to 1.2 mg/dl, or 53 to 106 μmol/L by the kinetic or enzymatic method, and 0.8 to 1.5 mg/dl, or 70 to 133 μmol/L by the older manual Jaffe jaffé. reaction
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BUN-to-creatinine ratio In medicine, the BUN-to-creatinine ratio, also BUN-creatinine ratio, BUN/creatinine ratio or BUN:Cr, is the ratio of two serum laboratory values, the blood urea nitrogen (BUN) and serum creatinine.
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Kidney Infection Treatment: The Top 10 Home Remedies If creatinine levels are elevated, there could be a problem with the kidneys. A healthy BUN/creatinine ratio is between 10:1 and 20:1, although men and older people can be higher and still be healthy. The eGFR test looks for signs of kidney damage.
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What Is the BUN and Creatinine Ratio? Your BUN-to-creatinine ratio allows doctors to monitor your kidney health. The BUN-to-creatinine ratio is a routine lab measurement used by your doctor to assess the function of your kidneys. It is calculated by dividing the serum BUN concentration by the serum creatinine concentration. Various conditions affecting your kidneys will alter this ratio in a predictable manner before you even show symptoms. Therefore, it is a useful ratio when monitoring subtle changes in your kidney health.
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- Normal levels. Normal levels of BUN are between 10 to 20 mg/dL for an adult and 5 to 18 mg/dL for a child. Normal creatinine levels are between .5 to 1.1 mg/dL for an adult female and .6 to 1.2 mg/dL for an adult male.Creatinine levels are lower in young children and the elderly as a result of reduced muscle mass.s with creatinine, creatinine clearance is slightly lower in children and the elderly. The normal adult male can expect a range between 107 to 139 mL/min and the adult female between 87 to 107 mL/min.
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Blood Urea Nitrogen (BUN) Occasionally, a health practitioner will look at the ratio between a person's BUN and blood creatinine to help determine what is causing these concentrations to be higher than normal. The ratio of BUN to creatinine is usually between 10:1 and 20:1. An increased ratio may be due to a condition that causes a decrease in the flow of blood to the kidneys, such as congestive heart failure or dehydration.