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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

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.

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 (naproxen). ...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 kidneys. 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 a 50 yr old diabetic & my last bloodwork is: GFR was 60, creatinine 0.6, bun 11 is the GFR showing impaired kidney funtion or ckd? Should I worry?

Short answer, no.: Those #'s are very good. It's important to screen for the presence of urinary protein, either a "plain vanilla" urinalysis, or the more accurate urine microalbumin test, and if present, your doctor should consider prescribing an acei or arb medication. And of course, you ought to know your hemoglobin a1c test result, as well. ...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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Husb micoalbumin is 596. BUN/Creatinine level is normal. Serum Albumin norm. He's diabetic & has fatty liver. Is he in kidney failure? Why micro high?

Husb micoalbumin is 596. BUN/Creatinine level is normal. Serum Albumin norm. He's diabetic & has fatty liver. Is he in kidney failure? Why micro high?

Diabetic nephropathy: B"sd kidney failure is marked by elevation of creatinine. Microalbumin is a sensitive test for early kidney changes seen in diabetes and hypertension. Unless very high, standard albumin will be normal. Fatty liver is of concern but not directly related. To prevent progression of kidney disease 1. control of diabetes 2. blood pressure control 3. ACE or ARB agent. Glad to discuss ...Read more

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Chf patient under 1L water intake a day, BUN level 63, creatinine 2.0 on lasix 40 mg maintenance dosage. Should water intake be increased a little so the kidneys don't conserve water? Asking because of decreased urination wirh stable GFR. Check Adh?

Chf patient under 1L water intake a day, BUN level 63, creatinine 2.0 on lasix 40 mg maintenance dosage. Should water intake be increased a little so the kidneys don't conserve water? Asking because of decreased urination wirh stable GFR. Check Adh?

CHF/ renal disease: This question is best asked to you cardiologist, as you have CHF and kidney damage so your fluid balance is very delicate. Drinking too much can put you back in CHF. Would recheck your creatinine and your creatinine clearence, EF on echocardiogram as it may have changed. Discuss this with your cardiologist ...Read more

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Test results for platelette count was low, chloride was high and BUN was high. Should I be concerned about my kidney function or other?

Test results for platelette count was low, chloride was high and BUN was high. Should I be concerned about my kidney function or other?

Not by this info: Kidney function is most commonly related to the creatinine level. If your Cr was normal, then you probably do not have to be concerned about your kidney function. ...Read more

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How is my kidney function;im 31, male, white. Na: 141, p:4.2, bun: 15, urea:33, u.Acid:7.5, cr:0.97, cr in urine:115, prtein in urin:6, ALT 15, AST 21?

How is my kidney function;im 31, male, white. Na: 141, p:4.2, bun: 15, urea:33, u.Acid:7.5, cr:0.97, cr in urine:115, prtein in urin:6, ALT 15, AST 21?

Kidney function: Your creatinine (c) is in normal range. C is dependent on age, sex, weight and race. Your main problem is the protein in your urine. Go to a nephrologist (n) and have a 24 hour urine collection for a c clearance and protein which will tell you how well your kidneys are working and how much protein () is in your urine. P in the urine is a bad sign that needs a diagnosis and treatment. ...Read more

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GFR is 33 and creatinine is 145. I was wondering what is the percentage of kidney function?

Remember: That the GFR is basically an estimation of a degree of your kidney function based on your creatinine measurement, age, gender and race. It may not be accurate if your body type (shape) is extreme or you have significantly more or less muscle mass than "normal". Normal is around 100 by GFR. ...Read more

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I am two months and had a creatinine kidney function test that has out of range results. Everything else was normal.?

Abnormal creatinine: You need to go to your OB and have your urine checked for protein. Renal function does not decrease in normal pregnancy. See your OB doctor as soon as possible to be assessed. ...Read more

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Can you tell me about pre-conditions for doing the tests for albumin and creatinine in kidney function tests?

Can you tell me about pre-conditions for doing the tests for albumin and creatinine in kidney function tests?

Htn, diabetes: Creatinine is part of chemistry panel. Your doctor will decide if you need chemistry test based on your medical condition. So this is part of routine chemistry. Albumin is checked as part of urinalysis. Hypertension, diabetes are 2 conditions that these tests must be checked at the time of diagnosis and every follow up. ...Read more

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I am 2 months pregnant and had a creatinine kidney function test that is out of normal range what does that mean?

What is the value?: Is your creatinine low or high? What is the actual value? Did the report include estimated glomerular filtration rate? If it is high, see your doctor as soon as you can. Low levels are not meaningful and may be a natural consequence of normal pregnancy. ...Read more

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What are Test to check kidney function are working 100% or not other than creatinine and urea? As my creatinine increased to 1.1 from 0.75 in 4 months

What are Test to check kidney function are working 100% or not other than creatinine and urea? As my creatinine increased to 1.1 from 0.75 in 4 months

See below: 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, your creatinine is still within the normal range. One additional for kidney function is to check urine for protein leakage. It would be prudent to discuss the matter with the doctor who ordered the tests. ...Read more

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My creatinine is 0.90. What's my kidney function? Is it optimal? I'm 35 yrs, Asian male. What does it ask for african american and not mention other

My creatinine is 0.90. What's my kidney function? Is it optimal? I'm 35 yrs, Asian male. What does it ask for african american and not mention other

Limited usefulness: If the units are mg/dl, this is a low-normal creatinine for a man, confirming good kidney function. This pathologist believes, with many nephrologists, that estimates of glomerular filtration rates from creatinine are of limited value for individuals, especially since the more muscular you are, the higher it normally runs. ...Read more

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My creatinine is 105 gfr is 82 I don't have diabetes or high BP. How can I improve kidney function. Should I be worried?

My creatinine is 105 gfr is 82 I don't have diabetes or high BP. How can I improve kidney function. Should I be worried?

How do you FEEL?: If you're a reasonably well-muscled young man, that creatinine is normal. The GFR's estimates are subscientific; I believe they've been added to make people think they need to take unnecessar medicines. There's even a racial adjustment "because black people are more muscular." When I was lifting weights daily, I was suddenly a kidney case. I'm not and I bet you are not either. ...Read more

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Second blood test done for kidney function Creatinine to be tested again. Result borderline what does this mean as doc wants another test in 1month?

Just follow it: Anything from having had an old kidney infection to taking ibuprofen to having some damage from hypertension can raise creatinine. If you're a fitness buff, you can run a bit high for a woman. Best to get a few baseline creatinines while you're still young. Best wishes. ...Read more

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Blood urine 149. Kidney function and creatinine all normal. Constant dull pain/sometimes a bit sharp both flanks at the same time. Possible diagnosis?

Blood urine 149. Kidney function and creatinine all normal. Constant dull pain/sometimes a bit sharp both flanks at the same time. Possible diagnosis?

Here are some. ..: The provided info is not enough for making an accurate guess. But my professional sifting through the words and lines leads to think about the pain/ache resulting from musculoskeletal / neuromuscular irritation, not from kidneys. To hone what may be, pack up the info on the onset, degree, duration, interval, evolution, $ progress of the pain / related Sx for Doc's analysis + physicals + tests. .. ...Read more

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High microalbumin and microalbumin/creatinine lab results with good b.P. And kidney function. Why high?

High microablumin: Your microalbumin/creatinine being high signifies that you have proteinuria. See a nephrologist to have a 24 hour urine collection for creatinine clearance and protein to see how much protein you have in your urine for 24 hours and to see what your kidney function is. Blood work will be needed as well to diagnose the cause of your proteinuria. Go to a nephrologist to answer your question. ...Read more

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Urine test protein 2+ for the past 2 visits. Blood test creatinine etc kidney function is ok. What causes protein in urine?

Urine test protein 2+ for the past 2 visits. Blood test creatinine etc kidney function is ok. What causes protein in urine?

Several causes: Your physician would do well to rule out orthostatic protenuria, the most common cause and utterly harmless. It's ruled out, then begin a workup. There are a host of causes. ...Read more

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Plz help my father kidney function tests tells that serum urea 120 mg/dl serum creatinine 2 mg/dl. Is these results means renal failure?

Renal Insufficiency: Your father needs to see a kidney specialist (nephrologist). He needs to avoid NSAID's, keep a normal blood pressure and get on a renal diet. Hope this helps. ...Read more

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Can a doctor test for Creatinine & Kidney Function w/ a urine sample that is provided via OTC drug tests kits that use the cups a patient urinates in?

Can do a UA: Urinalysis measures some aspects of renal function but not all of them. A cup is a cup. Creatinine is measured in urine but is meaningless unless it's also measured in the serum. The whole business is tricky and confusing. Hope everything turns out well for you. ...Read more

Dr. Madhu Kandarpa
2,220 Doctors shared insights

Creatinine (Definition)

Creatinine is a byproduct of creatine phosphate, which is present in muscles. Creatinine levels increase if the ...Read more