Top
10
Doctor insights on: Urea Nitrogen Clearance

Share
1

1
Blood work came back and my creatinine level is 0.49 and urea nitrogen is 7. What does this mean?

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

Dr. Thomas Fiala
28 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


2

2
What is meant by urea nitrogen and is it dangerous?

What is meant by urea nitrogen and is it dangerous?

No: Blood urea nitrogen is excreted by the kidneys and low levels are quite normal. When there is a reduced function of the blood flow to the kidney or kidney failure, the BUN rises, but it is not very specific. There are other tests to measure degrees of kidney dysfunction. ...Read more

4

4
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

5

5
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

7

7
What is the definition or description of: urea nitrogen?

What is the definition or description of: urea nitrogen?

Norml waste in blood: 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 the body in urine. ...Read more

9

9
What is meant by urea nitrogen and is it dangerous?

No: Blood urea nitrogen is excreted by the kidneys and low levels are quite normal. When there is a reduced function of the blood flow to the kidney or kidney failure, the BUN rises, but it is not very specific. There are other tests to measure degrees of kidney dysfunction. ...Read more

10

10
My urea nitrogen is 67.53mg/dl. What is cause , effect and remedy for this?

My urea nitrogen is 67.53mg/dl. What is cause , effect and remedy for this?

That is high...: BUN at 67.53 mg/dl alone indicates something wrong in the function of kidney because it's uncommon to raise to this level from dehydration or internal bleeding or excessive nitrogen intake. So, look into serum creatinine, electrolytes, etc. so to correlate with overall clinical pictures and deduce the realistic clinical significance. Hence, see & ask Doc for detail and specifics. Best wish ... ...Read more