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Doctor insights on: Bun And Creatinine Levels And Kidney Function

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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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My creatinine level and bun are normal. My GFR is lower than last year (50). I am caucasian. Should I be concerned about kidney function? Thanks.

Low GFR: GFR below 60 for > 3 months may be an indication of chronic kidney disease. As cardiovascular factors (blood pressure, glucose, lipids) are a major cause of kidney disease, these should be controlled. GFR also reduces with age. ...Read more

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I had one more quick question. If bun 25, creatinine 1.5, bun/creat ratio 17, egfr 58...The egfr means im in stage 3 CKD right? 58% kidney function?

I had one more quick question. If bun 25, creatinine 1.5, bun/creat ratio 17, egfr 58...The egfr means im in stage 3 CKD right? 58% kidney function?

Stage 3 CKD: You are correct in that your estimated GFR of 58 ml/min puts you into stage 3 chronic kidney disease. Remember, your GFR is estimated. The actual result may be greater, or lower, than the egfr. To get your acutal gfr, have a 24 hour urine for creatinine clearance. Ask the physician who orders this test to have proteinuria (p) assess in that sample. If p is present, it may needed to be treated. ...Read more

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Why the hospital my BUN was 25. My creatinine was 1.31 my kidney function was 70. They called it acute kidney injury but they didn't do anything about it?

Don't worry.: your kidney function of 70 is the estimated glomerular filtration estimate,(GFR), based on your creatinine level. 60 to 90 is considered stage 2 chronic kidney disease. Usually, improved hydration and verify a normal blood pressure, and avoid NSAIDs like Advil and Aleve. ...Read more

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Creatinine of .09 bun of 14 bun/creatinine ratio is 16 but cystatin c is 1.14 and eGFR is 66.... Do I have some kidney function issues Pcp not concern?

Forget it: The formulas used to estimate kidney function from spot creatinines are actually anti-scientific. They include an adjustment for race "because black people are more muscular." Creatinine where you have it is fine. Be glad for good health and ignore this stuff ...Read more

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Hello month ago I had a kidney function test done and my bun reading was 0.75 my alt was 48 and my aST was 27. A week ago I had a random urinalysis done and was told that my creatine level was 308. Can you please tell me if these results are normal or is

Hello month ago I had a kidney function test done and my bun reading was 0.75 my alt was 48 and my aST was 27. A week ago I had a random urinalysis done and was told that my creatine level was 308. Can you please tell me if these results are normal or is

Need units of: measure. 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 useful to know the units of measure of BUN and creatinine. Urine creatitnine by itself is not a useful test. Your AST is higher than normal and it would do you good to abstain from alcohol. ...Read more

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My BUN level is 3 and my BUN/CREATININE RATIO is 4 and I only have 1 kidney is this good or not good?

My BUN level is 3 and my BUN/CREATININE RATIO is 4 and I only have 1 kidney is this good or not good?

Sounds okay: Reference ranges are set so that several percent of healthies fall outside on either end. Take care of that kidney. If your physician isn't worried, you shouldn't be either. ...Read more

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I'm a 61 yr old female with creatinine levels 1.09, 1.11, 1.13. My bun/creatinine ratio is 10. Should I be concerned about kidney disease?

I'm a 61 yr old female with creatinine levels 1.09, 1.11, 1.13. My bun/creatinine ratio is 10. Should I be concerned about kidney disease?

Here are some ...: The numbers of creatinine and BUN alone indicate you've adequate function of kidney. But it's still wise to correlate the numbers with history and prior test values if available. Meanwhile, it's good idea to chat with your doc for better clinical pertinence. While online chat is easy and may be fun, it may bring more confusion and anxiety to the inquirers due to lacking sufficient knowledge &... ...Read more

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I'm 51 and take hydrochlorothiazide. My creatinine level is 1.4 and my bun is 20. My bun/creat ratio is 14. Should i be concerned about kidney disease?

I'm 51 and take hydrochlorothiazide. My creatinine level is 1.4 and my bun is 20. My bun/creat ratio is 14. Should i be concerned about kidney disease?

Observation: Your bun/creatinine ratio is minimally elevated. The hydrochlorothiazide itself makes you urinate more, this can lead to slight dehydration and the results in the ratio above, make sure you are adequately hydrated and the ratio doesn't increase by rechecking every 3-6 months until it is normal. ...Read more

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Dr. Madhu Kandarpa
2,169 doctors shared insights

Creatinine (Definition)

It is a byproduct of creatine phosphate which is present in muscles. Levels are increased ...Read more