2023年10月30日 · Your doctor may order a blood urea nitrogen test, also known as BUN test, to see how well your kidneys are working. Find out more from WebMD.

2023年8月5日 · A BUN test measures the amount of urea nitrogen that's in your blood. Here's how your body typically forms and gets rid of urea nitrogen: Your liver produces ammonia — which contains nitrogen — after it breaks down proteins used by your body's cells.

BUN indicates the urea nitrogen produced in the body during protein breakdown. It is removed from the body through urine. A decline in kidney function due to a disease or kidney damage can cause an increase in BUN.

2022年11月29日 · The blood urea nitrogen (BUN) test measures how much urea nitrogen is in your blood. BUN levels vary. High levels may indicate kidney damage.

2024年9月12日 · High BUN levels are an important indicator of kidney function and overall metabolic health. Elevated BUN can arise from various causes, including renal conditions like chronic kidney disease and acute kidney injury and non-renal factors such as dehydration, high protein intake, and heart failure.

2022年12月15日 · What is the BUN/Creatinine Ratio? BUN (blood urea nitrogen) and creatinine are two lab tests that are often ordered as part of a comprehensive metabolic panel. Your doctor may order this panel to get an idea of your overall health and metabolism. BUN measures the amount of urea in your blood.

What is a BUN (Blood Urea Nitrogen) Test? A BUN, or blood urea nitrogen test, measures the amount of urea nitrogen in your blood. Urea nitrogen is a waste product that forms as your body breaks down proteins. It's carried in your blood and then removed by …