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Doctor insights on: What Are Normal Blood Urea Nitrogen Levels

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Are high blood urea nitrogen levels bad?

Are high blood urea nitrogen levels bad?

Bun: Could be bad. Could be dehydration. Depends how high and the urinslysis. ...Read more

Dr. Harinder Gill
34 Doctors shared insights

Urea Nitrogen (Definition)

Urea nitrogen abbreviated BUN is a chemical in the blood that results from the body's use of proteins and is a waste product. Urea nitrogen is processed in the liver and the kidneys and eliminated from ...Read more


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What does it indicate if you have a high level of blood urea nitrogen?

What does it indicate if you have a high level of blood urea nitrogen?

Kidney issue: In general, a high BUN is indicative of an issue with kidney function or overall dehydration. All blood tests need to be interpreted in context. ...Read more

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What is the most likely reason for having an abnormally high blood urea nitrogen level?

See below: High urea level can reflect dehydration, other causes include high protein intake, and decreased kidney function. ...Read more

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Is it possible to have high creatinine, high blood urea nitrogen and high potassium levels simultaneously?

Is it possible to have high creatinine, high blood urea nitrogen and high potassium levels simultaneously?

Absolutely yes: This is exactly what is seen with kidney (renal) failure. I am not making a diagnosis on this information alone. I can only advise strongly that anyone with elevation in bun, cr and potassium, as listed above, should see his/her physician immediately. ...Read more

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Recently blood urea nitrogen and serum creatinine levels what can I do.?

Recently blood urea nitrogen and serum creatinine levels what can I do.?

kidney dysfunction: Creatinine is a byproduct of muscle metabolism and is excreted by the kidneys. High serum creatinine generally indicate kidney damage.High levels can be seen in muscle damage, people who consume creatine supplements. BUN is also a byproduct of protein metabolism which is excreted by the kidneys. If serum BUN and creatinine are elevated, it suggests that there may be kidney dysfunction. ...Read more

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I had a cmp done at doctors. Everything was normal except anion gap At 3. My blood urea nitrogen at 21. (doc said cuz I fasted). Why is this low?

I had a cmp done at doctors. Everything was normal except anion gap At 3. My blood urea nitrogen at 21. (doc said cuz I fasted). Why is this low?

First things 1st.: Why did you have the test? No test should be interpreted in a vacuum. Most of the time the abnormality described is pretty meaningless. But attempting to answer your question requires we know about your medical history. ...Read more

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What's blood urea nitrogen?

What's blood urea nitrogen?

Liver chemical: This is a measurement of a concentration of urea in the blood stream and is related to the health of the liver. If the liver is dysfunctional, the level - termed BUN - will rise. This is part of most blood screening tests. ...Read more

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What is the definition or description of: blood urea nitrogen?

What is the definition or description of: blood urea nitrogen?

Metabolic waste: It's level helps evaluate renal function
elevation can mean poor renal function or GI bleeding. ...Read more

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Can you explain what 12.86mg/dl bun (blood urea nitrogen) and 1.34 mg/dl creatinine mean?

Can you explain what 12.86mg/dl bun (blood urea nitrogen) and 1.34 mg/dl creatinine mean?

Normal: Seems normal- however could be slightly abnormal if this is a 90 yr old emaciated female or a very small child. ...Read more

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What does these results mean? 27 mg/dl bun (blood urea nitrogen) and 1.3 mg/dl creatinine?

What does these results mean? 27 mg/dl bun (blood urea nitrogen) and 1.3 mg/dl creatinine?

Sounds fine: They are a little bit high if you're a female, and your kidneys may not be working quite so well as a healthy young person's, but if you are a muscular man eating a lot of protein, they're fine. ...Read more

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I am a 53 year old male, recently got medically tested. Blood urea nitrogen is 51.24mg/dl ; creatinine serum is 5.46mg%. What is the significance?

I am a 53 year old male, recently got medically tested. Blood urea nitrogen is 51.24mg/dl ; creatinine serum is 5.46mg%. What is the significance?

Either acute: Or chronic renal insufficiency or very significant kidney problems which need to be addressed asap by a nephrologist. A cause needs to be found if possible and reversed or treated. All the best. ...Read more

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Please explain why does blood urea nitrogen bun decrease in hepatic failure?

Please explain why does blood urea nitrogen bun decrease in hepatic failure?

Urea cycle stops: The ammonia that the body generates during metabolism doesn't get detoxified by being turned into urea. ...Read more

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I was just wondering why does blood urea nitrogen bun decreases hepatic failure?

I was just wondering why does blood urea nitrogen bun decreases hepatic failure?

BUN liver: Urea is produced thru the ornithine cycle in the liver thus BUN levels reflect functioning of the liver/kidneys. ...Read more

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Can a patient with ongoing blood transfusion be extracted with blood to be tested for Blood Urea Nitrogen?

Of course: And results are basically valid. BUN is unlikely to be much elevated in infused blood as it's taken from healthy folks. ...Read more

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What does a 27 mg/dl bun (blood urea nitrogen) and 1.3 mg/dl creatinine mean? I'm 6 weeks pregnant.

I'd be concerned: Your physician will look for some cause of your kidney function being imparied. One common cause is simply using NSAIDS. Expect a proper workup and ask to have it explained to you. ...Read more

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Blood work came back and my creatinine level is 0.49 and urea nitrogen is 7. What does this mean?

Nothing: Stop worrying. Reference ranges are set so that several percent of healthy folks fall outside at either end. Low BUN and low creatinine in someone who's not obviously horribly sick never mean anything. ...Read more

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I have low urea nitrogen counts, blood is checked few times each month this year, always low what could be causing this? On peg/j tube last few months

I have low urea nitrogen counts, blood is checked few times each month this year, always low what could be causing this? On peg/j tube last few months

See below.: "low" BUN is really of no consequence unless accompanied by other lab abnormalities. Just a measure of the concentration of protein in your blood. This may be high as a result of dehydration or very high protein intake or low as a result of excess fluid or low protein intake. Your low number is probably related to your tf and the reason for your tf. ...Read more

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Blood work done these are the results Urea nitrogen 22.2 high Urea nitrogen / creatinine 20.6 high Being a hep c patient Concern or not?

Blood work done these are the results Urea nitrogen 22.2 high Urea nitrogen / creatinine 20.6 high Being a hep c patient Concern or not?

Creatinine level?: 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 test results may be normal. You did not provide creatinine level but by calculating from the data you gave it is 1.08 and it is normal. You do not need to worry about these results. Do take treatment for Hep C as it is curable ...Read more

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Uriine-urythocytes high, ketones 20, leukocyte esters large, leukocytes 40, nitrates positive. In blood-leukocytes high, urea nitrogen low. Am I dying?

Uriine-urythocytes high, ketones 20, leukocyte esters large, leukocytes 40, nitrates positive. In blood-leukocytes high, urea nitrogen low. Am I dying?

You have a uti: When a urinalysis shows large Leukocytes and nitrites positive you have a urinary tract infection and need antibiotics pending the culture report. On your blood test, you said leukocytes high which indicates infection. If you have fever and chills and back pain, could be kidney infection and may need treatment at Emergency Room now. You are not dying, but need urgent treatment ...Read more

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Worried about protein in urine. Urea nitrogen 12 creatinine serum 0.6 eGFR 116.8 AST 20 alt 30 albumin 3.9 1+ blood and 1+ protein in urine.?

Worried about protein in urine. Urea nitrogen 12 creatinine serum 0.6 eGFR 116.8 AST 20 alt 30 albumin 3.9 1+ blood and 1+ protein in urine.?

Stop worrying: 1+ protein in the urine is seldom a sign of anything at all. Most often, it's from standing up. Some folks lose protein during the day, but if you empty your bladder before you go to sleep and then check your urine in the morning, it's protein-free. Ask your physician about this. However, I am MUCH more concerend about the blood. This needs a workup especially if it's not lifelong. ...Read more

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Sore throat swollen glands 6 weeks blood work bun is 37.7 urea nitrogen 26 creantinitie 0.69 gfr>90. what may be wrong?

Sore throat swollen glands 6 weeks blood work bun is 37.7 urea nitrogen 26 creantinitie 0.69 gfr>90. what may be wrong?

Need to examine: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor. It may have been a viral infection and you may choose to watch and wait. It swollen glands are regressing, fine. If the glands become larger or more glands enlarge, you get fever, or weight loos, see doctor. ...Read more

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Creatinine levels rising slightly along with urea nitrogen. Creatinine still within normal limit, urea nitro above. ABS Lymphos Above as well. Why?

Creatinine levels rising slightly along with urea nitrogen. Creatinine still within normal limit, urea nitro above. ABS Lymphos Above as well. Why?

Here are some...: Regrading serum creatinine and BUN (blood urea nitrogen), please go to http://www. Medicinenet. Com/creatinine_blood_test/article. Htm; there you will gain adequate knowledge about the significance of these two tests. Besides, to help maintain a healthy life, go to http://formefirst. Com/Basics-SelfImprovement. Html. More? Contact me at www. Healthtap. Com/dr-Lin with rqpwjc to login. Best wish to. .. ...Read more

Dr. Ellen Bondar
257 Doctors shared insights

Blood Urea Nitrogen (Definition)

It's level helps evaluate renal function elevation can mean poor renal ...Read more