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Doctor insights on: Normal Level Of Kidney Function Test Bun

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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

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?

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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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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I have neprhocalcinosis, today I had a renal function test done and my BUN was 7 & chloride 112, other levels normal. What could this mean?

I have neprhocalcinosis, today I had a renal function test done and my BUN was 7 & chloride 112, other levels normal. What could this mean?

Labs: Your BUN is lower and maybe a reflection of your protein intake but doesn't mean disease. BUN levels are governed by many reasons including kidney function protein intake liver issues. Assuming you have no issue low BUN is more diet. Your chloride is high normal and should hair be repeated. These labs have to be looked in totality and don't mean disease. Best of luck ...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