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Doctor insights on: Kidney Bun Test High

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I am told my Glomerular filtration Rate is 57.6. Does this indicate Kidney disease? Creatinine is 1.0 BUN is 20 total Protein is 7.0 I am 55 w/f

I am told my Glomerular filtration Rate is 57.6. Does this indicate Kidney disease? Creatinine is 1.0 BUN is 20 total Protein is 7.0 I am 55 w/f

GFR: Your Estimated filtration rate is borderline. This is not a problem itself. The important concern is whether disease exists that might be progressive. Serum creatinine of 1.0 is "normal". So is serum creatinine 1.1. However, creatinine relates to muscle mass. If you are small muscled as a. 55 yo woman, then creatinine of 1.1 or 1.0 may indicate some minor impairment in its excretion. ...Read more

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Kidney (Definition)

The kidneys are paired organs that lie on either side of the vertebral column. Part of their critical functions include the excretion of urine and removal of nitrogenous wastes products from the blood. They regulate acid-base, electrolyte, fluid balance and blood pressure. Through hormonal signals, the kidneys control the ...Read more


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I'm 63 female and my bun was 9 on my kidney test is this something to be concern ?

I'm 63 female and my bun was 9 on my kidney test is this something to be concern ?

BUN of 9: Your BUN of 9 is normal and it is also a reflection of your protein intake. Your serum creatinine is a much better guide to help assess your kidney function. If it is not elevated, you probably have reasonable kidney function. Serum creatinine is dependent on age, muscle mass, sex and race. ...Read more

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High bun and bun/creatinine ratio results so bad kidneys?

High bun and bun/creatinine ratio results so bad kidneys?

Most of time: Generally high BUN and creatinine go hand in hand in bad kidneys(chronic kidney disease)., and bun/creat ratio is 10-15 to 1 , however if ratio >20 may indicate superimposed second cause like dehydration or bleeding in gut. ...Read more

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Confused my creatinine is low 0.28 but my bun cr ratio is high 28.6. I'm concern about my kidneys since i've been type 2 diabetic 22 yrs. Pls advise?

Confused my creatinine is low 0.28 but my bun cr ratio is high 28.6. I'm concern about my kidneys since i've been type 2 diabetic 22 yrs. Pls advise?

Dehydration: Creatinine is more sensitive than BUN in terms of assessing kidney function, although, the most sensitive would be GFR (glomerular filtration rate). Sometimes the high ration is seen in people who are dehydrated or have urea production increase such as liver cirrhosis. ...Read more

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BUN = 6 Creatinine = .58 BUN/Creatinine = 10 I read that a 10 warrants further tests to determine if intrinsic kidney damage. Does that apply here?

BUN = 6
Creatinine = .58
BUN/Creatinine = 10

I read that a 10 warrants further tests to determine if intrinsic kidney damage.  Does that apply here?

Just a ratio: Since your BUN is normal and your creatinine is less than 1 which is also normal, you should not worry. Ask your doctor in your follow up visit to review your concerns with you. ...Read more

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My BUN level on lower end most of my life, hovers between .48-.60. Doc said normal since other kidney tests ok. Are some people just low?

My BUN level on lower end most of my life, hovers between .48-.60. Doc said normal since other kidney tests ok. Are some people just low?

Bun: The bun can be quite variable low ones may be due to overhydation if you drink too much fluid but rally nothing to worry about only high bun are worrisome ...Read more

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What can be done to reduce high protein-creatinine ratio and high kidney bun?

What can be done to reduce high protein-creatinine ratio and high kidney bun?

See a nephrologist: You have to treat the underlying kidney disease which is causing these abnormalities. See a nephrologist. ...Read more

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Bun/creatinine ratio is very high in kidney infections?

Generally no: An elevated bun/creatinine ratio (>20) is usually suggestive of "dehydration" and improves with increased fluids. Unless the patient with a kidney infection is also fluid depleted (due to vomiting or diminished fluid intake), the bun/creatinine is not excessively elevated in this setting. ...Read more

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Does this mean kidney disease? Any reason for co cern? High creatinine low egfr normal bun

How high?: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have been helpful to know the actual creatinine and eGFR values. If these are abnormal if would be prudent to consult a nehprologist so that a treatable entity is not overlooked. ...Read more