What is a normal blood urea nitrogen level? A normal blood urea nitrogen level varies according to your age and sex. Children between 1 and 17 years. Between 7 and 20 mg/dL. Adult females. Between 6 …

Aug 5, 2023 · In general, around 6 to 24 mg/dL (2.1 to 8.5 mmol/L) is considered normal. But normal ranges may vary, depending on the reference range used by the lab and your age.

Nov 13, 2024 · Urea nitrogen is a chemical waste product, and having a small amount in your body is absolutely normal. The urea nitrogen levels in your blood make it easier for doctors to understand …

Blood urea nitrogen (BUN) is a medical test that measures the amount of urea nitrogen found in blood. The liver produces urea in the urea cycle as a waste product of the digestion of protein. Normal …

Mar 12, 2024 · So, what is the normal range of blood urea? The blood urea nitrogen normal range for adults is 6 to 24 mg/dL (2.1 to 8.5 mmol/L). However, this normal range can vary slightly depending …

May 11, 2025 · Blood Urea Nitrogen (BUN) is a common lab test that helps evaluate kidney function. In this comprehensive guide, we’ll break down everything you need to know about BUN levels’ normal …

Urea nitrogen is a waste product made when your liver breaks down protein. It's carried in your blood, filtered out by your kidneys, and removed from your body in your urine. If your liver isn't healthy, it …

Nov 22, 2025 · The range considered normal is 7-20 milligrams per deciliter. (A milligram is a very tiny amount —with over 28,000 milligrams in an ounce, and a deciliter is equal to about 3.4 ounces).

Blood urea nitrogen (BUN) provides a quantitative measure of the amount of nitrogen derived from urea and serves as a clinical marker of renal function. [1] In the United States, BUN is...

For the adult male, the normal range is 0.6 to 1.2 mg/dl, or 53 to 106 μmol/L by the kinetic or enzymatic method, and 0.8 to 1.5 mg/dl, or 70 to 133 μmol/L by the older manual Jaffé reaction. For the adult …